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

[Ulrich Drepper]

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

> I get these warnings without the decl of __strdup in include/string.h:

OK, these are actual uses of __strdup.  In this case adding the
prototype in include/string.h is OK.  I'll do this now.  Thanks,

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