From: Thomas Schwinge <tschwinge@gnu.org>
Date: Wed, 21 May 2008 20:54:34 +0000 (+0200)
Subject: Avoid ``uninitialized value'' warning when there actually is no difference between... 
X-Git-Tag: 2.47~1
X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/1e16ab178d3cfa60818b5a64c35357735e985504

Avoid ``uninitialized value'' warning when there actually is no difference between the two versions.
---

diff --git a/IkiWiki/Plugin/editdiff.pm b/IkiWiki/Plugin/editdiff.pm
index 46eb1168e..2a70ca0b8 100644
--- a/IkiWiki/Plugin/editdiff.pm
+++ b/IkiWiki/Plugin/editdiff.pm
@@ -25,7 +25,7 @@ sub diff ($$) { #{{{
 
 	print DIFFIN $content;
 	close DIFFIN;
-	my $ret;
+	my $ret='';
 	while (<DIFFOUT>) {
 		if (defined $ret) {
 			$ret.=$_;