Don't include CSS on action pages.

git-svn-id: http://svn.automattic.com/wordpress/trunk@6889 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/theme-editor.php

@@ -5,7 +5,6 @@ $title = __("Edit Themes");
 $parent_file = 'themes.php';
 
 wp_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file', 'theme'));
-wp_admin_css( 'css/theme-editor' );
 
 $themes = get_themes();
 
@@ -65,6 +64,8 @@ default:
 
 	require_once('admin-header.php');
 
+	wp_admin_css( 'css/theme-editor' );
+
 	update_recently_edited($file);
 
 	if (!is_file($real_file))