po(_istranslation): fix unitialized value

Signed-off-by: intrigeri <intrigeri@boum.org>

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index a050d2b71ce789b33fcfc7b494e5fe1255b60e74..3a696fb65c76c89129b77b49e4d8f57d04592380 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -680,6 +680,7 @@ sub istranslatable ($) {
 sub _istranslation ($) {
        my $page=shift;
 
+       $page='' unless (defined $page && length $page);
        my $hasleadingslash = ($page=~s#^/##);
        my $file=$pagesources{$page};
        return 0 unless (defined $file