Set LC_COLLATE for all scripts

This way `sort` behaves the same.

ffmpeg_gen_free_tarball.sh

@@ -17,6 +17,8 @@
 #
 # shellcheck disable=2181
 
+export LC_COLLATE="C.UTF-8"
+
 FF_PKGNAME="ffmpeg"
 FF_PKGNAME_SUFFIX="-free"
 FF_VERSION="$(rpmspec -P ./*.spec | grep ^Version | sed -e 's/Version:[ ]*//g')"

ffmpeg_update_free_sources.sh

@@ -17,6 +17,8 @@
 #
 # shellcheck disable=2181
 
+export LC_COLLATE="C.UTF-8"
+
 cleanup_and_exit()
 {
     if test "$1" = 0 -o -z "$1"; then