[glib/wip/lantw/ci-test] C.UTF-8

[Ting-Wei Lan <lantw src gnome org>]

commit 5320b75ff0101159acd09e77243bcab62559814a
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Fri Sep 3 00:51:14 2021 +0800

    C.UTF-8

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 73fbc1ba6..88a8548b6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -391,7 +391,8 @@ freebsd-12-x86_64:
   variables:
     CPPFLAGS: -I/usr/local/include
     LDFLAGS: -L/usr/local/lib -Wl,--disable-new-dtags
-    LANG: en_US.UTF-8
+    # FreeBSD supports C.UTF-8 locale since 12.1.
+    LANG: C.UTF-8
   before_script:
     - bash .gitlab-ci/show-execution-environment.sh
   script: