fix crash on i686 mingw

Author: Un1q32

platforms/input/xinput/GameControllerHandler_xinput.cpp

@@ -22,7 +22,7 @@ GameControllerHandler_xinput::GameControllerHandler_xinput()
     getState = nullptr;
     HMODULE module = LoadLibraryA("XINPUT1_3.dll");
     if (module)
-        getState = (DWORD (*)(DWORD, XINPUT_STATE *))GetProcAddress(module, "XInputGetState");
+        getState = (DWORD (WINAPI *)(DWORD, XINPUT_STATE *))GetProcAddress(module, "XInputGetState");
     if (!getState)
     {
         LOG_W("Could not find xinput driver, xinput controllers will be disabled.");

platforms/input/xinput/GameControllerHandler_xinput.hpp

@@ -43,5 +43,5 @@ class GameControllerHandler_xinput : public GameControllerHandler
 
 protected:
 	InputState_xinput m_inputStates;
-	DWORD (*getState)(DWORD, XINPUT_STATE *);
+	DWORD (WINAPI *getState)(DWORD, XINPUT_STATE *);
 };