warning fix

diff --git a/includes/SearchEngine.php b/includes/SearchEngine.php
index d9dd183..5b47174 100644 (file)
--- a/includes/SearchEngine.php
+++ b/includes/SearchEngine.php
@@ -50,7 +50,7 @@ class SearchEngine {
                        return $wgUser->getOption( "searchNs".$i );
                } else {
                        // User is not logged in so we give him the global default namespaces
-                       return $wgNamespacesToBeSearchedDefault[ $i ];
+                       return isset($wgNamespacesToBeSearchedDefault[ $i ]) ? $wgNamespacesToBeSearchedDefault[ $i ] : 0;
                }
        }