Log Message:
-----------
Change pg_dump to use pg_roles instead of pg_user on 8.1 and up,
so that it will correctly dump owners of objects owned by non-login roles.
Modified Files:
--------------
pgsql/src/bin/pg_dump:
pg_dump.c (r1.416 -> r1.417)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dump.c.diff?r1=1.416&r2=1.417)
pg_dump.h (r1.117 -> r1.118)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dump.h.diff?r1=1.117&r2=1.118)