[Midnightbsd-cvs] src: ar.c: in libarchive 3.0.3, it's called archive_version_string

[laffer1 at midnightbsd.org]

Log Message:
-----------
in libarchive 3.0.3, it's called archive_version_string

Modified Files:
--------------
    src/usr.bin/ar:
        ar.c (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/src/usr.bin/ar/ar.c?r1=1.2&r2=1.3)