lib: fixing comment spelling typos in lib files

Closes #7894
Signed-off-by: ewlumpkin <ewlumpkin@gmail.com>

lib/asyn-ares.c

@@ -341,7 +341,7 @@ static int waitperform(struct Curl_easy *data, timediff_t timeout_ms)
     nfds = 0;
 
   if(!nfds)
-    /* Call ares_process() unconditonally here, even if we simply timed out
+    /* Call ares_process() unconditionally here, even if we simply timed out
        above, as otherwise the ares name resolve won't timeout! */
     ares_process_fd((ares_channel)data->state.async.resolver, ARES_SOCKET_BAD,
                     ARES_SOCKET_BAD);

lib/krb5.c

@@ -684,7 +684,7 @@ int Curl_sec_read_msg(struct Curl_easy *data, struct connectdata *conn,
   (void) data;
 
   if(!conn->mech)
-    /* not inititalized, return error */
+    /* not initialized, return error */
     return -1;
 
   DEBUGASSERT(level > PROT_NONE && level < PROT_LAST);
@@ -768,7 +768,7 @@ static int sec_set_protection_level(struct Curl_easy *data)
     }
   }
 
-  /* Now try to negiociate the protection level. */
+  /* Now try to negotiate the protection level. */
   code = ftp_send_command(data, "PROT %c", level_to_char(level));
 
   if(code < 0)

lib/multi.c

@@ -2633,7 +2633,7 @@ CURLMcode curl_multi_cleanup(struct Curl_multi *multi)
 
     multi->magic = 0; /* not good anymore */
 
-    /* Firsrt remove all remaining easy handles */
+    /* First remove all remaining easy handles */
     data = multi->easyp;
     while(data) {
       nextdata = data->next;

lib/select.c

@@ -64,7 +64,7 @@
  * Waiting indefinitely with this function is not allowed, a
  * zero or negative timeout value will return immediately.
  * Timeout resolution, accuracy, as well as maximum supported
- * value is system dependent, neither factor is a citical issue
+ * value is system dependent, neither factor is a critical issue
  * for the intended use of this function in the library.
  *
  * Return values:

lib/smtp.c

@@ -490,7 +490,7 @@ static CURLcode smtp_perform_authentication(struct Curl_easy *data)
   saslprogress progress;
 
   /* Check we have enough data to authenticate with, and the
-     server supports authentiation, and end the connect phase if not */
+     server supports authentication, and end the connect phase if not */
   if(!smtpc->auth_supported ||
      !Curl_sasl_can_authenticate(&smtpc->sasl, conn)) {
     state(data, SMTP_STOP);
@@ -527,7 +527,7 @@ static CURLcode smtp_perform_command(struct Curl_easy *data)
 
   if(smtp->rcpt) {
     /* We notify the server we are sending UTF-8 data if a) it supports the
-       SMTPUTF8 extension and b) The mailbox contains UTF-8 charaacters, in
+       SMTPUTF8 extension and b) The mailbox contains UTF-8 characters, in
        either the local address or host name parts. This is regardless of
        whether the host name is encoded using IDN ACE */
     bool utf8 = FALSE;
@@ -600,7 +600,7 @@ static CURLcode smtp_perform_mail(struct Curl_easy *data)
   struct connectdata *conn = data->conn;
 
   /* We notify the server we are sending UTF-8 data if a) it supports the
-     SMTPUTF8 extension and b) The mailbox contains UTF-8 charaacters, in
+     SMTPUTF8 extension and b) The mailbox contains UTF-8 characters, in
      either the local address or host name parts. This is regardless of
      whether the host name is encoded using IDN ACE */
   bool utf8 = FALSE;

lib/socks_gssapi.c

@@ -257,7 +257,7 @@ CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
       return CURLE_COULDNT_CONNECT;
     }
 
-    if(socksreq[1] != 1) { /* status / messgae type */
+    if(socksreq[1] != 1) { /* status / message type */
       failf(data, "Invalid GSS-API authentication response type (%d %d).",
             socksreq[0], socksreq[1]);
       gss_release_name(&gss_status, &server);
@@ -452,7 +452,7 @@ CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
     return CURLE_COULDNT_CONNECT;
   }
 
-  if(socksreq[1] != 2) { /* status / messgae type */
+  if(socksreq[1] != 2) { /* status / message type */
     failf(data, "Invalid GSS-API encryption response type (%d %d).",
           socksreq[0], socksreq[1]);
     gss_delete_sec_context(&gss_status, &gss_context, NULL);

lib/socks_sspi.c

@@ -277,7 +277,7 @@ CURLcode Curl_SOCKS5_gssapi_negotiate(int sockindex,
       return CURLE_COULDNT_CONNECT;
     }
 
-    if(socksreq[1] != 1) { /* status / messgae type */
+    if(socksreq[1] != 1) { /* status / message type */
       failf(data, "Invalid SSPI authentication response type (%u %u).",
             (unsigned int)socksreq[0], (unsigned int)socksreq[1]);
       free(service_name);

lib/tftp.c

@@ -1304,9 +1304,9 @@ static CURLcode tftp_doing(struct Curl_easy *data, bool *dophase_done)
 
 /**********************************************************
  *
- * tftp_peform
+ * tftp_perform
  *
- * Entry point for transfer from tftp_do, sarts state mach
+ * Entry point for transfer from tftp_do, starts state mach
  *
  **********************************************************/
 static CURLcode tftp_perform(struct Curl_easy *data, bool *dophase_done)

lib/url.c

@@ -2780,7 +2780,7 @@ CURLcode Curl_parse_login_details(const char *login, const size_t len,
   size_t plen;
   size_t olen;
 
-  /* the input length check is because this is called directcly from setopt
+  /* the input length check is because this is called directly from setopt
      and isn't going through the regular string length check */
   size_t llen = strlen(login);
   if(llen > CURL_MAX_INPUT_LENGTH)

lib/urldata.h

@@ -330,7 +330,7 @@ struct digestdata {
   char *opaque;
   char *qop;
   char *algorithm;
-  int nc; /* nounce count */
+  int nc; /* nonce count */
   BIT(stale); /* set true for re-negotiation */
   BIT(userhash);
 #endif