UPSTREAM: virgl: close drm fd when destroying virgl screen.

This fd was create in virgl_drm_screen_create and should be closed
in virgl_drm_screen_destroy.

Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
(cherry picked from commit 250fffac152f3cbdbea505fc642e5f023c3f3b7e)

BUG=b:128466689
TEST=None

Change-Id: I8d0980c64c44e8bd0dccaa15cb96fcffc062b9b3
Reviewed-on: https://chromium-review.googlesource.com/1562186
Commit-Ready: Lepton Wu <lepton@chromium.org>
Tested-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Chia-I Wu <olv@google.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
1 file changed