radeonsi: fix broken VK-GL buffer interop
Fixes: ad9b5ac0 - radeonsi: more fixes for si_buffer_from_winsys_buffer for GL-VK interop Closes: #6063 (closed)
Fixes: ad9b5ac0 - radeonsi: more fixes for si_buffer_from_winsys_buffer for GL-VK interop Closes: #6063 (closed)