the menu must be redrawn after displaying the help info

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@33669 65c4cc65-6c06-0410-ace0-fbb531ad65f3

build_tools/menuselect_curses.c

@@ -276,6 +276,7 @@ int run_category_menu(WINDOW *menu, int cat_num)
 		case 'h':
 		case 'H':
 			show_help(menu);
+			changed = 1;
 			break;
 		case KEY_F(7):
 			set_all(cat, 0);