Patch for PR libc/1567

[Ulrich Drepper]

Andreas Jaeger <aj@suse.de> writes:

> The appended patch fixes PR libc/1567 and comes directly from bind
> 8.2.2.

I haven't been able to reproduce the problem with either 2.1.3 or 2.2
but this can be because I executed the program by calling ld.so.  I've
applied the patch.

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