[PATCH] More portability fixes

[Mike Frysinger]

On Saturday 12 September 2009 01:25:34 Dan Fandrich wrote:
> Attached are some more patches in the same vein as my last batch,
> primarily to improve portability.  A few of the patches do increase the
>  code size slightly, so to make them more palateable, I'm including an
>  unrelated patch to eliminate some redundant code and decrease the total
>  binary size. Finally, for completeness, the last, unapplied patch from my
>  previous set is also included.

there should be no pointer checking on free(ret).  POSIX requires free(NULL) 
to work as does busybox.
-mike
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