[Midnightbsd-cvs] src: bin/kill: change return values and allow for builtin support

[laffer1 at midnightbsd.org]

Log Message:
-----------
change return values and allow for builtin support

Modified Files:
--------------
    src/bin/kill:
        kill.1 (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/src/bin/kill/kill.1?r1=1.2&r2=1.3)
        kill.c (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/src/bin/kill/kill.c?r1=1.2&r2=1.3)