Re: avoiding 'dead store's reported by clang

[Pádraig Brady]

Jim Meyering wrote:
> I've run clang on coreutils, and it spotted quite a few dead stores.
> These changes remove them:
> 
> The chmod.c change below was not completely transparent, since
> the new code returns immediately after issuing the root-dev-inode
> warning, whereas the old code would fall through, and thus might
> have also printed --verbose diagnostics.
> 
> Other than that, these are supposed to be "no semantic change" patches.

These look good.