fix 'files' entries showing up in Files before the users files are scanned properly

lib/filecache.php

@@ -267,7 +267,7 @@ class OC_FileCache{
 		}
 		$path=$root.$path;
 		$parent=self::getFileId($path);
-		if($path==-1){
+		if($parent==-1){
 			return array();
 		}
     $query=OC_DB::prepare('SELECT name,ctime,mtime,mimetype,size,encrypted,versioned,writable FROM *PREFIX*fscache WHERE parent=? AND (mimetype LIKE ? OR mimetype = ?)');