Use proper method of saving/restoring bbs.sys_status.

If the script encountered an exception, the bbs.sys_status would be
left in "no message" mode, meaning no node messages or telegrams would
be automatically displayed to the user.

xtrn/oneliners/framed.js

@@ -7,8 +7,7 @@ var frame,
 	inputLine,
 	oneliners,
 	inInput = false,
-	attr = console.attributes,
-	status = bbs.sys_status;
+	attr = console.attributes;
 
 var initFrames = function() {
 
@@ -135,6 +134,7 @@ var initJSON = function() {
 }
 
 var init = function() {
+	js.on_exit("bbs.sys_status = " + bbs.sys_status);
 	bbs.sys_status |= SS_MOFF;
 	initFrames();
 	initInput();
@@ -245,7 +245,6 @@ var cleanUp = function() {
 	}
 	frame.close();
 	console.clear(attr);
-	bbs.sys_status = status;
 }
 
 init();