Use end() for last item

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@294 7c3ca157-0c34-0410-bff1-cbf682f78f5c

indexes.inc.php

@@ -51,7 +51,7 @@
 				$row["indexes"][$key]["columns"][] = "";
 			}
 		}
-		$index = $row["indexes"][count($row["indexes"]) - 1];
+		$index = end($row["indexes"]);
 		if ($index["type"] || array_filter($index["columns"], 'strlen') || array_filter($index["lengths"], 'strlen')) {
 			$row["indexes"][] = array("columns" => array(1 => ""));
 		}