export LC_COLLATE=C and LC_ALL=C

this is to ensure alphanumeric sorting, with
capital letters first; and numbers before letters.

we always relied on this, but until now lbmk would
just assume the host is configured this way.

this fixes a longstanding design flaw in lbmk.

Signed-off-by: Leah Rowe <leah@libreboot.org>

build

@@ -8,6 +8,9 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+export LC_COLLATE=C
+export LC_ALL=C
+
 . "include/err.sh"
 . "include/option.sh"