squelch warning

diff --git a/IkiWiki/Plugin/svn.pm b/IkiWiki/Plugin/svn.pm
index 6e1d4a40f9513a93bf7955a7f9bff921fda2715c..d10b4888d94b35bbdc29762256e16fbdfaf8fecb 100644 (file)
--- a/IkiWiki/Plugin/svn.pm
+++ b/IkiWiki/Plugin/svn.pm
@@ -357,7 +357,7 @@ my ($lastfile, $lastmtime, $lastctime);
 sub findtimes ($) {
        my $file=shift;
 
-       if ($lastfile eq $file) {
+       if (defined $lastfile && $lastfile eq $file) {
                return $lastmtime, $lastctime;
        }
        $lastfile=$file;