Use bash to execute update script.

__root__stratux-pre-start.sh

@@ -9,7 +9,7 @@ if [ -e /root/update*stratux*v*.sh ] ; then
 		# Execute the script, remove it, then reboot.
 		echo
 		echo "Running update script ${UPDATE_SCRIPT}..."
-		sh ${UPDATE_SCRIPT}
+		bash ${UPDATE_SCRIPT}
 		rm -f $UPDATE_SCRIPT
 		reboot
 	fi