hg: bsd-port/bsd-port/corba: Set the default PACKAGE_PATH on OS X to point to /opt/local.

[kurt at intricatesoftware.com]

Changeset: 00bde93e84a1
Author:    kurt
Date:      2009-01-25 08:37 -0500
URL:       http://hg.openjdk.java.net/bsd-port/bsd-port/corba/rev/00bde93e84a1

Set the default PACKAGE_PATH on OS X to point to /opt/local.
On OS X PACKAGE_PATH is only used for specifying user installed
fonts and MacPorts uses /opt/local by default. Reveiwed/tested
by Landon Fuller

! make/common/Defs.gmk