venus: Fixes vkr_dispatch_vkCreateDevice that exts maybe NULL

Fixes: d66378d ("vkr: init proc tables")

exts maybe NULL when ext_count <= args->pCreateInfo->enabledExtensionCount

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/760>
1 file changed