PATCH: add missing __strdup decl to include/string.h

[Ulrich Drepper]

Greg McGary <greg@kayak.mcgary.org> writes:

> I don't recall exactly.  Without this patch, I get warnings about
> undeclared __strdup when building the BP lib.  The BP build disables
> the macro-mania in string2.h and that's why it gets warnings while
> other builds don't.

I don't doubt this.  I still want to know where exactly the use of
__strdup is.

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