Patch to disable libgd support via -with-gd=no

[Ulrich Drepper]

320095285153-0001@t-online.de (Achim Gottinger) writes:

> I made a patch for glibc-2.2.2 that allows turning off libgd support
> even if it is available on the system if you use --with-gd=no.

I've checked the patch in.  Thanks,

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