Fix adding/closing tab redraw issue #64

Author: splhack

src/MacVim/MMBackend.m

@@ -1993,8 +1993,10 @@ - (void)handleInputEvent:(int)msgid data:(NSData *)data
         const void *bytes = [data bytes];
         int idx = *((int*)bytes) + 1;
         send_tabline_menu_event(idx, TABLINE_MENU_CLOSE);
+        [self redrawScreen];
     } else if (AddNewTabMsgID == msgid) {
         send_tabline_menu_event(0, TABLINE_MENU_NEW);
+        [self redrawScreen];
     } else if (DraggedTabMsgID == msgid) {
         if (!data) return;
         const void *bytes = [data bytes];