buildgcc: Quote command substitution

There are shells where the result of a command substitution is subject
to word splitting (e.g. dash when assigning a value inside an export
statement).

Change-Id: I70a5bc124af7ee621da2bdb4777f3eaba8adafbb
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/15820
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)

0 files changed, 0 insertions, 0 deletions