buildgcc: Fix color output in download_showing_percentage

Probably this was never tested as the return to no color "\033[0m"
was printed verbatim.

Change-Id: I7e6e1049b062ffb138ebdaeb62ddc49581ff8db1
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/19811
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed