#19 Stack corruption due to pointer type mismatch

[Rumen Kyusakov]

Passing SmallIndex pointer (&pfxEntryId) to Index pointer argument in createUriTableEntry() for the addPfxEntry() call causes stack corruption.
See the following discussion explaining the issue https://sourceforge.net/p/exip/discussion/1177916/thread/c32cced9/#7575

When fixing this, check in other places for the same problem.