minigbm: run clang-format

Though presubmit.sh requires formatting by clang-format, some files
are not formatted.

BUG=None
TEST=compile

Change-Id: I828dd85536cb94dc98cd11e83ec86af53a425070
Signed-off-by: Keiichi Watanabe <keiichiw@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1172241
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
5 files changed