stdinc: make SDL_stack_free evaluate to `((void)(data))` when alloca is usable. Fixes #15727. (cherry picked from commit 67e6f5b7ee488dfc3cf4b33620b220ae72ff845e)
Simple DirectMedia Layer (SDL for short) is a cross-platform library designed to make it easy to write multi-media software, such as games and emulators.
You can find the latest release and additional information at: https://www.libsdl.org/
Installation instructions and a quick introduction is available in INSTALL.md
This library is distributed under the terms of the zlib license, available in LICENSE.txt.
Enjoy!
Sam Lantinga (slouken@libsdl.org)