ports/80679: emulators/linux_base-8: Use ${MACHINE_ARCH} instead of ${ARCH}.

[Volker Stolz]

Synopsis: emulators/linux_base-8: Use ${MACHINE_ARCH} instead of ${ARCH}.

State-Changed-From-To: open->suspended
State-Changed-By: vs
State-Changed-When: Fri Oct 28 14:33:52 GMT 2005
State-Changed-Why: 
Waiting for clarification of the same issue mentioned in ports/80837

http://www.freebsd.org/cgi/query-pr.cgi?pr=80679