WinRT: fix a link-time error when building UWP + x64
diff --git a/src/video/winrt/SDL_winrtmessagebox.cpp b/src/video/winrt/SDL_winrtmessagebox.cpp
index 3c72891..118dc90 100644
--- a/src/video/winrt/SDL_winrtmessagebox.cpp
+++ b/src/video/winrt/SDL_winrtmessagebox.cpp
@@ -82,7 +82,7 @@ WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
sdlButton = &messageboxdata->buttons[i];
}
UICommand ^ button = ref new UICommand(WINRT_UTF8ToPlatformString(sdlButton->text));
- button->Id = safe_cast<IntPtr>(sdlButton - messageboxdata->buttons);
+ button->Id = safe_cast<IntPtr>((int)(sdlButton - messageboxdata->buttons));
dialog->Commands->Append(button);
if (sdlButton->flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
dialog->CancelCommandIndex = i;
@@ -104,7 +104,7 @@ WINRT_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
return SDL_SetError("An unknown error occurred in displaying the WinRT MessageDialog");
}
if (buttonid) {
- IntPtr results = safe_cast<IntPtr>(operation->GetResults()->Id);
+ IntPtr results = safe_cast<IntPtr>((int)(operation->GetResults()->Id));
int clicked_index = results.ToInt32();
*buttonid = messageboxdata->buttons[clicked_index].buttonid;
}