From: Andreas Scherbaum <andreas@scherbaum.biz>
Date: Fri, 25 May 2012 21:44:09 +0000 (+0200)
Subject: - fix some warnings
X-Git-Url: http://git.postgresql.org/gitweb/static/developers.postgresql.org?a=commitdiff_plain;h=d346f47ff04394c761367e47b727d85b4f46d433;p=docbot.git

- fix some warnings
---

diff --git a/docbot.pl b/docbot.pl
index ac1b3b0..6e6652e 100755
--- a/docbot.pl
+++ b/docbot.pl
@@ -1661,6 +1661,10 @@ sub is_a_channel {
 sub extract_channel {
     my $string = shift;
 
+    if (!defined($string)) {
+        return '';
+    }
+
     if (substr($string, 0, 1) eq '#') {
         return substr($string, 1);
     }