Makefile: Unexport LC_ALL instead of clearing it
Makefile: Unexport LC_ALL instead of clearing it

Apparently not all versions of glibc and utilities treat an empty
LC_ALL as nonexistent, causing error messages to be garbled.  Instead,
explicitly unexport it from the environment.

Reported-and-tested-by: Masami Hiramatsu <308c3db2ad395e67f502db11a9ceb1603d4442e0@redhat.com>
Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>
LKML-Reference: <a1989ab3d0c378137c5c91d2c7daba875cc23040@redhat.com>
Cc: Michal Marek <0c835876a532a476f30fdb1f6e963bae6c5a1a04@sues.cz>
Cc: Roland Dreier <68b67cddfeb62945e9a8e54387e91ae7b86773cc@cisco.com>
Cc: Sam Ravnborg <f16bed56189e249fe4ca8ed10a1ecae60e8ceac0@ravnborg.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs