dinput: Downgrade a FIXME to WARN in JoystickWImpl_SendForceFeedbackCommand.

dlls/dinput/joystick_linuxinput.c

@@ -1360,7 +1360,7 @@ static HRESULT WINAPI JoystickWImpl_SendForceFeedbackCommand(LPDIRECTINPUTDEVICE
         break;
 
     default:
-	FIXME("Unknown Force Feedback Command!\n");
+        WARN("Unknown Force Feedback Command %u!\n", dwFlags);
         return DIERR_INVALIDPARAM;
     }
     return DI_OK;