Bug 686971: Fix add_see_also to ignore empty values

r/a=LpSolit

diff --git a/Bugzilla/Bug.pm b/Bugzilla/Bug.pm
index 483a2a86523159d3cfcfc99aa9c9abb873a3ecd4..c2899f66914d1ca76383a61d1ff1dcc533143b96 100644 (file)
--- a/Bugzilla/Bug.pm
+++ b/Bugzilla/Bug.pm
@@ -2844,6 +2844,7 @@ sub add_see_also {
     $input = $input->name if blessed($input);
 
     $input = trim($input);
+    return if !$input;
 
     my ($class, $uri) = Bugzilla::BugUrl->class_for($input);