plug benign leak (coverity)

clients/tools/ldapmodify.c

@@ -187,6 +187,7 @@ handle_private_option( int i )
 				control );
 			usage();
 		}
+		ber_memfree( control );
 		break;
 
 	case 'a':	/* add */

clients/tools/ldapurl.c

@@ -159,6 +159,7 @@ do_uri_explode( const char *uri )
 			printf( "extension: %s\n", lud->lud_exts[i] );
 		}
 	}
+	ldap_free_urldesc( lud );
 
 	return 0;
 }

clients/tools/ldapvc.c

@@ -255,6 +255,8 @@ handle_private_option( int i )
 		    fprintf( stderr, _("Invalid Verify Credentials extension name: %s\n"), control );
 		    usage();
 		}
+		free( control );
+		break;
 
 	case 'a':  /* request authzid */
 		req_authzid++;