[Midnightbsd-cvs] src: Makefile: get rid of some warnings.

[laffer1 at midnightbsd.org]

Log Message:
-----------
get rid of some warnings. conditionalize inet6

Modified Files:
--------------
    src/usr.bin/ftp:
        Makefile (r1.1.1.1 -> r1.2)
        (http://cvsweb.midnightbsd.org/src/usr.bin/ftp/Makefile?r1=1.1.1.1&r2=1.2)