Support gip drum kits

Author: sanjay900

src/joystick/gdk/SDL_gameinputjoystick.cpp

@@ -749,7 +749,7 @@ static void GAMEINPUT_DrumUpdate(SDL_Joystick *joystick, IGameInputReading *read
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER, (buttons & 0x2000));
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_SOUTH, (rawData[3] & 0x0f) || (rawData[5] & 0xf0) || (buttons & 0x0010));
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_EAST, (rawData[2] & 0xf0) || (buttons & 0x0020));
-            SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_WEST, (rawData[3] & 0xf0) || (bytes[4] & 0x0f) || (buttons & 0x0040));
+            SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_WEST, (rawData[3] & 0xf0) || (rawData[4] & 0x0f) || (buttons & 0x0040));
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_NORTH, (rawData[2] & 0x0f) || (rawData[4] & 0xf0) || (buttons & 0x0080));
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_LEFT_STICK, rawData[2] || rawData[3]);
             SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_STICK, rawData[4] || rawData[5]);