initial-setup: fix --update

initial-setup.sh

@@ -86,7 +86,7 @@ if [ "$1" == "--update-paths" ] || [ "$1" == "--update" ] ; then
         echo "Updating paths and variables"
         update_paths
         setup_venv
-        update_vars
+        create_borg_vars
         exit 0
     else
         echo "Can't update, not set up yet"