Don't throw a fatal error if somebody access Special:Whatlinkshere without target...

diff --git a/includes/SpecialWhatlinkshere.php b/includes/SpecialWhatlinkshere.php
index 0fd7c8f..f1962f0 100644 (file)
--- a/includes/SpecialWhatlinkshere.php
+++ b/includes/SpecialWhatlinkshere.php
@@ -320,7 +320,7 @@ class WhatLinksHerePage {
                // Reset these for new requests
                $this->opts->consumeValues( array( 'back', 'from' ) );
 
-               $target = $this->target->getPrefixedText();
+               $target = $this->target ? $this->target->getPrefixedText() : '';
                $namespace = $this->opts->consumeValue( 'namespace' );
 
                # Build up the form