libinput-device: Remove unnecessary function call

When we handle keyboard key events, we already retrieve the key state
at the top of this function, so there is no real need to call the same
libinput function again as we can just reuse the 'key_state' variable
that we have above.

Signed-off-by: Chris Michael <cpmichael@osg.samsung.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

src/libinput-device.c

@@ -76,8 +76,7 @@ handle_keyboard_key(struct libinput_device *libinput_device,
 	notify_key(device->seat,
 		   libinput_event_keyboard_get_time(keyboard_event),
 		   libinput_event_keyboard_get_key(keyboard_event),
-		   libinput_event_keyboard_get_key_state(keyboard_event),
-		   STATE_UPDATE_AUTOMATIC);
+		   key_state, STATE_UPDATE_AUTOMATIC);
 }
 
 static bool