Bug 390557: Uninitialized value in process_bug.cgi when user is in the timetracking group and there's no comment field - Patch by Albert Ting <altlist@gmail.com> r/a=mkanat

webtools/bugzilla/process_bug.cgi

@@ -154,7 +154,7 @@ if (defined $cgi->param('work_time')
 
 if (Bugzilla->user->in_group(Bugzilla->params->{'timetrackinggroup'})) {
     my $wk_time = $cgi->param('work_time');
-    if ($cgi->param('comment') =~ /^\s*$/ && $wk_time && $wk_time != 0) {
+    if (!comment_exists() && $wk_time && $wk_time != 0) {
         ThrowUserError('comment_required');
     }
 }