[Midnightbsd-cvs] src: bin/mkdir: cleanup the return values for mkdir and some formatting

[laffer1 at midnightbsd.org]

Log Message:
-----------
cleanup the return values for mkdir and some formatting issues with the man page

Modified Files:
--------------
    src/bin/mkdir:
        mkdir.1 (r1.2 -> r1.3)
        (http://cvsweb.midnightbsd.org/src/bin/mkdir/mkdir.1?r1=1.2&r2=1.3)
        mkdir.c (r1.3 -> r1.4)
        (http://cvsweb.midnightbsd.org/src/bin/mkdir/mkdir.c?r1=1.3&r2=1.4)