1. Added an osrfHashIterator as a member of osrfRouter, so that

1. Added an osrfHashIterator as a member of osrfRouter, so that
we can reuse it when repeatedly traversing the list of classes.
This way we don't have to create and destroy an osrfHashIterator
on every iteration.

2. In osrfRouterRun(): eliminated a pointless hash look up in the
innermost loop.

M    src/router/osrf_router.c

git-svn-id: svn://svn.open-ils.org/OpenSRF/trunk@1841 9efc2488-bf62-4759-914b-345cdb29e865