cregistry: add SQLITE3 flags
cregistry: add SQLITE3 flags

allows cregistry Makefile.in  to respond to
--with-sqlite3prefix
similarly to registry2.0 Makefile.in

danchr/macports-base,neverpanic/macports-base,macports/macports-base,neverpanic/macports-base,macports/macports-base,danchr/macports-base