Don't stripslashes() in plugin_basename() since this breaks established expectation of being able to pass a non-escaped FILE. Instead, stripslashes further up the stack. fixes #1866

git-svn-id: http://svn.automattic.com/wordpress/trunk@3139 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin.php

@@ -41,6 +41,7 @@ require(ABSPATH . '/wp-admin/menu.php');
 
 // Handle plugin admin pages.
 if (isset($_GET['page'])) {
+	$plugin_page = stripslashes($_GET['page']);
 	$plugin_page = plugin_basename($_GET['page']);
 	$page_hook = get_plugin_page_hook($plugin_page, $pagenow);