From 9474e6789a67752a0b2ae616cd7de2661281bd35 Mon Sep 17 00:00:00 2001
From: Markus Lude <markus.lude@gmx.de>
Date: Sun, 29 Oct 2017 19:44:14 +0100
Subject: [PATCH] fix warning:

wiki.pl: Use of uninitialized value within %UseModWiki::SaveNumUrl in numeric gt (>) at /var/www/cgi-bin/wiki.pl line 1926.

warning on normal page view, page contains BracketUrl ([http://...])
---
 wiki.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wiki.pl b/wiki.pl
index a16c1b2..06218f5 100755
--- a/wiki.pl
+++ b/wiki.pl
@@ -1923,7 +1923,7 @@ sub GetBracketUrlIndex {
   my ($index, $key);
 
   # Consider plain array?
-  if ($SaveNumUrl{$id} > 0) {
+  if ($SaveNumUrl{$id} and $SaveNumUrl{$id} > 0) {
     return $SaveNumUrl{$id};
   }
   $SaveNumUrlIndex++;  # Start with 1