another useless use of scalar

scalar(undef) is undef, so using scalar here had no effect.
Instead make the function return "", probably avoiding an uninitialized
value warning.

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 7dfa52f570c3cd21fa63234713b44316af3cae9c..91bf8872f24b4054f423f1f3944463db3f777553 100644 (file)
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -753,7 +753,7 @@ sub istranslation ($) {
                $translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
                return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang);
        }
-       return;
+       return "";
 }
 
 sub masterpage ($) {