[Midnightbsd-cvs] mports: Makefile: Remove the sparc64 arch from the only for arch

[laffer1 at midnightbsd.org]

Log Message:
-----------
Remove the sparc64 arch from the only for arch section.  There are several issues with it linking with thread libraries right now.

Modified Files:
--------------
    mports/misc/compat5x:
        Makefile (r1.8 -> r1.9)
        (http://cvsweb.midnightbsd.org/mports/misc/compat5x/Makefile?r1=1.8&r2=1.9)