response buffer corruption in __dns_gethostbyx_r

Hi,

While resolving a hostname to many ip addresses the response buffer
gets corrupted in __dns_gethostbyx_r. (Example: www.megaupload.com -> 23
ip addresses).

The following patch will fix this issue by returning only 7 ip
addresses to the caller. This is not the nicest, but the least intrusive
solution so far.

http://jusa.telco-tech.de/patches/dietlibc-gethostbyx.patch

Gernot
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