Remove return by ref from get_role(). Props scribu, elyobo. fixes #18237

git-svn-id: http://svn.automattic.com/wordpress/trunk@18476 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/capabilities.php

@@ -205,7 +205,7 @@ class WP_Roles {
 	 * @param string $role Role name.
 	 * @return object|null Null, if role does not exist. WP_Role object, if found.
 	 */
-	function &get_role( $role ) {
+	function get_role( $role ) {
 		if ( isset( $this->role_objects[$role] ) )
 			return $this->role_objects[$role];
 		else