Another round of updates for new fmgr, mostly in the datetime code.

contrib/lo/lo.c

contrib/spi/moddatetime.c

src/backend/access/nbtree/nbtcompare.c

src/backend/commands/user.c

src/backend/libpq/be-fsstubs.c

src/backend/libpq/crypt.c

src/backend/utils/adt/arrayfuncs.c

src/backend/utils/adt/chunk.c

src/backend/utils/adt/date.c

src/backend/utils/adt/formatting.c

src/backend/utils/adt/nabstime.c

src/backend/utils/adt/not_in.c

src/backend/utils/adt/ruleutils.c

src/backend/utils/adt/selfuncs.c

src/backend/utils/adt/sets.c

src/backend/utils/adt/tid.c

src/backend/utils/adt/timestamp.c

src/include/catalog/catversion.h

src/include/catalog/pg_proc.h

src/include/libpq/be-fsstubs.h