This patch removes #ident since it is deprecated in recent gcc
versions. It also removes all the CVS comments and fixes a few
other compilation warnings. There are still a few compilation
warnings, but this takes care of most of them. Fixing the rest
will require a bit more thought.
This patch fixes the various PLI code that was incorrectly
using int for PLI_INT32 for functions that are used with the
vpi_systf_data and cd_data data structures.