Use LIKE operator in Editor

Typos

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@921 7c3ca157-0c34-0410-bff1-cbf682f78f5c

adminer/include/adminer.inc.php

@@ -127,7 +127,7 @@ class Adminer {
 	/** Value conversion used in select and edit
 	* @param string
 	* @param array single field returned from fields()
-	* @return 
+	* @return string
 	*/
 	function editVal($val, $field) {
 		return $val;