Be consistent with these run_*sh scripts by using exec for all of them.
Use "$@" for all to pass arguments.
(Some before use $* and some didn't.)
Also remove some blank lines at end.
This was discussed briefly on jabber.
git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@3993 e5f2f494-b856-4b98-b285-d166d9295462