Update XChat to r1515

ChangeLog

@@ -23,6 +23,7 @@ highlights. The full CVS log is available at www.xchat.org/cvslog/
      previous versions.
  - Fixed a bug with the URL Grabber where it fails to grab a URL if the URL
    is the first thing in the message.
+ - Change /ignore <nick> to always add !*@* if <nick> does not contain ? or *
  - Perl (Lian Wan Situ)
   * Added two new options to hook_print, run_after_event and filter. See
     documentation for details.

src/common/outbound.c

@@ -2227,8 +2227,7 @@ cmd_ignore (struct session *sess, char *tbuf, char *word[], char *word_eol[])
 
 			mask = word[2];
 			if (strchr (mask, '?') == NULL &&
-			    strchr (mask, '*') == NULL &&
-			    userlist_find (sess, mask))
+			    strchr (mask, '*') == NULL)
 			{
 				mask = tbuf;
 				snprintf (tbuf, TBUFSIZE, "%s!*@*", word[2]);