st/nine: Ignore window size if error
Check GetWindowInfo and ignore the computed sizes if there is an error. Fixes a regression caused by earlier commit when using old wine gallium nine patches. Should also address a crash at window destruction. Related issues: https://github.com/iXit/Mesa-3D/issues/331 https://github.com/iXit/Mesa-3D/issues/332 Cc: mesa-stable@lists.freedesktop.org Fixes: 2318ca68 ("st/nine: Handle window resize when a presentation buffer is used") Signed-off-by:Axel Davy <davyaxel0@gmail.com>