There are three copies of this function, all of them have the same
memory leak in them. Instead of fixing them one by one, just use a
common implementation for all three, since they already all have a
shared helper lib.
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34118>