fixed wrong error message for input device on RPI (#1379)

* fixed wrong error message for input device

* error message without errnofor input device on RPI
 to prevent from including additional header

Co-authored-by: kkl <klingenberger@bfmc.de>

src/core.c

@@ -4661,7 +4661,7 @@ static void EventThreadSpawn(char *device)
     fd = open(device, O_RDONLY | O_NONBLOCK);
     if (fd < 0)
     {
-        TRACELOG(LOG_WARNING, "RPI: Failed to open input device (error: %d)", device, worker->fd);
+        TRACELOG(LOG_WARNING, "RPI: Failed to open input device %s", device);
         return;
     }
     worker->fd = fd;