Log Message:
-----------
Properly define pg_upgrade global variable, per bug report from Chris
Ruprecht on Mac (64 bit).
Modified Files:
--------------
pgsql/contrib/pg_upgrade:
pg_upgrade.h (r1.7 -> r1.8)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/pg_upgrade.h?r1=1.7&r2=1.8)
relfilenode.c (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/relfilenode.c?r1=1.3&r2=1.4)