Fixup undefined $stores in if like renamewiki does it

diff --git a/maintenance/addwiki.php b/maintenance/addwiki.php
index 73e2ebe..bed2ad6 100644 (file)
--- a/maintenance/addwiki.php
+++ b/maintenance/addwiki.php
@@ -93,7 +93,7 @@ class AddWiki extends Maintenance {
                # Initialise external storage
                if ( is_array( $wgDefaultExternalStore ) ) {
                        $stores = $wgDefaultExternalStore;
-               } elseif ( $stores ) {
+               } elseif ( $wgDefaultExternalStore ) {
                        $stores = array( $wgDefaultExternalStore );
                } else {
                        $stores = array();