hg: bsd-port/bsd-port/corba: Only OpenBSD/i386 needs lower max memory limits. Perform check after

[kurt at intricatesoftware.com]

Changeset: f44f72302bd6
Author:    kurt
Date:      2009-10-06 22:11 -0400
URL:       http://hg.openjdk.java.net/bsd-port/bsd-port/corba/rev/f44f72302bd6

Only OpenBSD/i386 needs lower max memory limits. Perform check after
MAX_VM_MEMORY is calculated to ensure it is limited properly on
OpenBSD/i386.

! make/common/shared/Platform.gmk