[Midnightbsd-cvs] src: Makefile: fix depend target on make which is screwing up buildworld

[laffer1 at midnightbsd.org]

Log Message:
-----------
fix depend target on make which is screwing up buildworld

Modified Files:
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    src/bin/mksh:
        Makefile (r1.20 -> r1.21)
        (http://cvsweb.midnightbsd.org/src/bin/mksh/Makefile?r1=1.20&r2=1.21)