ports/148096: emulators/linux_base-* can not be built from ports on amd64

[naddy at FreeBSD.org]

Old Synopsis: archivers/xz: packages linux_base-* can not be built from ports on amd64
New Synopsis: emulators/linux_base-* can not be built from ports on amd64

Responsible-Changed-From-To: naddy->freebsd-emulation
Responsible-Changed-By: naddy
Responsible-Changed-When: Sat Sep 18 15:21:00 UTC 2010
Responsible-Changed-Why: 
Tweak synopsis and assign back to freebsd-emulation.

http://www.freebsd.org/cgi/query-pr.cgi?pr=148096