Bug 939844: Don't cache template filters when arguments are supplied

Bugzilla/Template/Context.pm

@@ -88,7 +88,8 @@ sub filter {
     my ($self, $name, $args) = @_;
     # If we pass an alias for the filter name, the filter code is cached
     # instead of looking for it at each call.
-    $self->SUPER::filter($name, $args, $name);
+    # If the filter has arguments, then we can't cache it.
+    $self->SUPER::filter($name, $args, $args ? undef : $name);
 }
 
 # We need a DESTROY sub for the same reason that Bugzilla::CGI does.