Log Message:
-----------
Specifying a dbname should override the default database, not add to it.
Fixes buildfarm failures on contribcheck.
Modified Files:
--------------
pgsql/src/test/regress:
pg_regress.c (r1.34 -> r1.35)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/pg_regress.c.diff?r1=1.34&r2=1.35)