egl: use the LC_ALL hammer instead of LANG

Some environment (like Travis apparently) set LC_* vars, messing up the
sort ordering, so let's use envvar with the highest priority to make
sure this is actually sorted in ASCII order.

Suggested-by: Michel Dänzer <michel@daenzer.net>
Fixes: b42dc50a5f1b22103b26 "egl: fix entrypoint sorting test"
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
1 file changed