libinput-device: break after LIBINPUT_EVENT_TOUCH_UP

We need to break after handling LIBINPUT_EVENT_TOUCH_UP otherwise
we fall into the default case and end up logging that the event
is unknown and then return the wrong "handled" result.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=77577

Signed-off-by: U. Artie Eoff <ullysses.a.eoff@intel.com>

src/libinput-device.c

@@ -227,6 +227,7 @@ evdev_device_process_event(struct libinput_event *event)
 	case LIBINPUT_EVENT_TOUCH_UP:
 		handle_touch_up(libinput_device,
 				libinput_event_get_touch_event(event));
+		break;
 	default:
 		handled = 0;
 		weston_log("unknown libinput event %d\n",