base-files: provide /etc/profile.d/locale.sh to set up system locale.

srcpkgs/base-files/files/locale.sh

@@ -0,0 +1,9 @@
+# Sets up locale system settings from /etc/locale.conf.
+#
+if [ -s /etc/locale.conf ]; then
+	. /etc/locale.conf
+fi
+
+export LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY
+export LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
+export LC_INDENTIFICATION