Log Message:
-----------
Remove port.h prototypes from pg_upgrade.h, per report from Robert Haas.
Modified Files:
--------------
pgsql/contrib/pg_upgrade:
pg_upgrade.h (r1.9 -> r1.10)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/pg_upgrade.h?r1=1.9&r2=1.10)