[patch] work around ClearCase bug

[Eric Christopher]

> 
> I don't think GNU utilities should work around obvious bugs in a
> proprietary product like ClearCase.  If this were not an obvious bug
> in ClearCase, I think it would be OK.  If ClearCase were widely used,
> I think it would be OK.  If ClearCase were free, I think it might be
> OK (though we would probably just fix ClearCase).

Not to disagree (and I'm not, I don't think it should go in either) but
clearcase is pretty widely used. I've seen it an awful lot at other
companies.

-eric

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