profile-DE: Fixed locale configuration with sysd syntax.

Author: root

profile.d/40-DE

@@ -1,6 +1,8 @@
 # Set locale for legacy desktop environments that do not respect localectl.
-
-export LANG=$(cat /etc/locale.conf) LC_ALL=$(cat /etc/locale.conf)
+# TODO: export and fallback all the stuffs as defined in locale.conf(7).
+. /etc/locale.conf
+: ${LC_ALL=${LANG=C}}
+export LANG LC_ALL
 if test -z "${XDG_RUNTIME_DIR}"; then
     export XDG_RUNTIME_DIR=/tmp/${UID}-runtime-dir
     if ! test -d "${XDG_RUNTIME_DIR}"; then