makepkg: unset variables as per !{make,build}flags

Don't just set the flag variables to zero length strings, actually unset
them from the environment. This fixes issues with broken gnu Makefies
that use ?= for assigment, where the presence of a var is enough to make
this condition avoid assignment.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions