[Midnightbsd-cvs] mports: sites.mk: fix typo

[laffer1 at midnightbsd.org]

Log Message:
-----------
fix typo

Modified Files:
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    mports/Mk/components:
        sites.mk (r1.14 -> r1.15)
        (http://cvsweb.midnightbsd.org/mports/Mk/components/sites.mk?r1=1.14&r2=1.15)