loadparm: make lo_load_initial() only skip registry include.

loadparm: make lo_load_initial() only skip registry include.

This is only to be able to set everything properly for registry
before reading registry includes.

This fixes "make test" as non-root user in a directory, where
root-daemons have already created a messaging.tdb in the compiled
in lockdir...

Michael
(This used to be commit 1bb28bc1d8e83d174cd171e9d96f22ac524187c3)