rootdev: include missing header file.
This adds <sys/sysmacros.h> because the
inclusion of <sys/sysmacros.h> by <sys/types.h> is deprecated since
glibc 2.25.
BUG=chromium:865304
TEST=emerge-samus rootdev with glibc 2.27
Change-Id: Ic54e089659d620a862720b9882235117eb8487b5
Reviewed-on: https://chromium-review.googlesource.com/1143004
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed
