Make it compile on Ultrix. Thanks Erik Bertelson.

src/backend/parser/analyze.c

src/backend/parser/catalog_utils.c

src/backend/port/Makefile

src/backend/port/inet_aton.c

src/backend/port/ultrix4/dl.h

src/backend/port/ultrix4/dynloader.c

src/backend/port/ultrix4/port-protos.h

src/backend/port/ultrix4/strdup.c

src/backend/utils/mmgr/palloc.c

src/bin/pg4_dump/Makefile

src/bin/pg4_dump/common.c

src/bin/pg4_dump/pg4_dump.c

src/bin/pg_dump/Makefile

src/bin/pg_dump/common.c

src/bin/pg_dump/pg_dump.c

src/bin/pg_dump/pg_dump.h

src/bin/psql/Makefile

src/bin/psql/psql.c

src/bin/psql/stringutils.c

src/bin/psql/stringutils.h