docs: add CURLOPT_CURLU to 'See also' in curl_url_ functions

Closes https://github.com/curl/curl/pull/6639

docs/libcurl/curl_url.3

@@ -50,4 +50,4 @@ Returns a \fBCURLU *\fP if successful, or NULL if out of memory.
 Added in curl 7.62.0
 .SH "SEE ALSO"
 .BR curl_url_cleanup "(3), " curl_url_get "(3), " curl_url_set "(3), "
-.BR curl_url_dup "(3), "
+.BR curl_url_dup "(3), " CURLOPT_CURLU "(3), "

docs/libcurl/curl_url_cleanup.3

@@ -41,4 +41,4 @@ none
 Added in curl 7.62.0
 .SH "SEE ALSO"
 .BR curl_url_dup "(3), " curl_url "(3), " curl_url_set "(3), "
-.BR curl_url_get "(3), "
+.BR curl_url_get "(3), " CURLOPT_CURLU "(3), "

docs/libcurl/curl_url_dup.3

@@ -49,4 +49,4 @@ Returns a new handle or NULL if out of memory.
 Added in curl 7.62.0
 .SH "SEE ALSO"
 .BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_set "(3), "
-.BR curl_url_get "(3), "
+.BR curl_url_get "(3), " CURLOPT_CURLU "(3), "

docs/libcurl/curl_url_get.3

@@ -112,4 +112,4 @@ If this function returns an error, no URL part is returned.
 Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
 .SH "SEE ALSO"
 .BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_set "(3), "
-.BR curl_url_dup "(3), "
+.BR curl_url_dup "(3), " CURLOPT_CURLU "(3), "

docs/libcurl/curl_url_set.3

@@ -147,4 +147,4 @@ If this function returns an error, no URL part is set.
 Added in curl 7.62.0. CURLUPART_ZONEID was added in 7.65.0.
 .SH "SEE ALSO"
 .BR curl_url_cleanup "(3), " curl_url "(3), " curl_url_get "(3), "
-.BR curl_url_dup "(3), "
+.BR curl_url_dup "(3), " CURLOPT_CURLU "(3), "

docs/libcurl/opts/CURLOPT_CURLU.3

@@ -67,3 +67,4 @@ Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
 .SH "SEE ALSO"
 .BR CURLOPT_URL "(3), "
 .BR curl_url "(3), " curl_url_get "(3), " curl_url_set "(3), "
+.BR curl_url_dup "(3), " curl_url_cleanup "(3), "