[Midnightbsd-cvs] mports: Makefile: add license

[laffer1 at midnightbsd.org]

Log Message:
-----------
add license

Modified Files:
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    mports/net/openslp:
        Makefile (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/mports/net/openslp/Makefile?r1=1.2&r2=1.3)