Fix thinko in configure.ac CFLAGS empty checking

Since commit d2669b47, CFLAGS specified on the command line haven't been
respected at all, resulting in no optimization being applied to builds.
This exposed one warning flag issue in some new code, which is also
fixed here.

Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>

0 files changed, 0 insertions, 0 deletions