Produce a clean compile of backend...

src/backend/libpq/hba.c

src/backend/libpq/pqsignal.c

src/backend/tcop/Makefile

src/backend/tcop/aclchk.c

src/backend/tcop/dest.c

src/backend/tcop/fastpath.c

src/backend/tcop/postgres.c

src/backend/tcop/pquery.c

src/backend/tcop/utility.c

src/backend/tioga/Makefile

src/backend/tioga/tgRecipe.c

src/backend/utils/adt/Makefile

src/backend/utils/adt/acl.c

src/backend/utils/adt/bool.c

src/backend/utils/adt/dt.c

src/backend/utils/adt/filename.c

src/backend/utils/adt/geo-ops.c

src/backend/utils/adt/selfuncs.c

src/backend/utils/cache/Makefile

src/backend/utils/cache/fcache.c