`drm.h` was missing a `#include <stdint.h>`, which was completely
breaking the non-linux builds after 272f9cfe6a ("dri: Use DRM_FORMAT_*
instead of defining our own copy.") started making use of it.
Fixes: 272f9cfe6a ("dri: Use DRM_FORMAT_* instead of defining our own copy.")
Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/950
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
02b3aa3cf3