repohooks: allow tabs in .mk files

BUG=None
TEST=Adhoc
'repo upload' with a CL with tabs in a .mk file.

Change-Id: I845e21a893611ff0ccb24f4ea7db700ad5cb90bf
Signed-off-by: Elly Jones <ellyjones@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/11718
Reviewed-by: Will Drewry <wad@chromium.org>
1 file changed