Item13066: Avoid an undef error reported in 2010

http://irclogs.foswiki.org/bin/irclogger_log/foswiki?date=2010-10-14,Thu
foswiki · Dec 1, 2014 · ca6ca74 · ca6ca74
1 parent 3884208
commit ca6ca74
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/lib/Foswiki/Configure/FileUtil.pm b/core/lib/Foswiki/Configure/FileUtil.pm
@@ -226,7 +226,7 @@ sub checkCanCreateFile {
     close($in_file);
     unlink $name if ( -e $name );
 
-    unless ( $txt2 eq $txt1 ) {
+    unless ( defined $txt2 && $txt2 eq $txt1 ) {
         return 'Could not write and then read ' . $name;
     }
     return '';