Fixed duplicate definition of SDL_JoystickID
diff --git a/include/SDL_sensor.h b/include/SDL_sensor.h
index 8ab4178..a093056 100644
--- a/include/SDL_sensor.h
+++ b/include/SDL_sensor.h
@@ -57,8 +57,7 @@ typedef struct _SDL_Sensor SDL_Sensor;
*
* The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
*/
-typedef Sint32 SDL_JoystickID;
-typedef int SDL_SensorID;
+typedef Sint32 SDL_SensorID;
/* The different sensor types */
typedef enum