etc/profile: locale settings might have changed since SetupEnvironment.

Before this, changing the locale settings via Locale preflet required
a reboot in order for the changes to get picked up by programs running
on Terminal.

Fixes: #18734

Change-Id: I149931c511020f9eb881e71f79d1fd6c647477e2
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7792
Reviewed-by: nephele nephele <[email protected]>
Haiku-Format: Haiku-format Bot <[email protected]>
Tested-by: Commit checker robot <[email protected]>

data/etc/profile

@@ -68,3 +68,11 @@ if [ -d /etc/profile.d ]; then
   done
   unset i
 fi
+
+# Locale
+export LC_MESSAGES=`locale --message`
+export LC_NUMERIC=`locale --format`
+export LC_TIME=`locale --time`
+export LC_COLLATE=$LC_MESSAGES
+export LC_CTYPE=$LC_MESSAGES
+export LC_MONETARY=$LC_NUMERIC