[Midnightbsd-cvs] mports: sites.mk: add facebook gnu mirror

[laffer1 at midnightbsd.org]

Log Message:
-----------
add facebook gnu mirror

Modified Files:
--------------
    mports/Mk/components:
        sites.mk (r1.34 -> r1.35)
        (http://cvsweb.midnightbsd.org/mports/Mk/components/sites.mk?r1=1.34&r2=1.35)