[reSIProcate] Bug in DnsUtil::getInterfaces

[Johannes Dohmen]

Hello dear developers,

i found a Bug in DnsUtil.cxx in the method getInterfaces(), which occurs on 64Bit architectures. Where no interface other than the local loopback is found, and therefore none is returned.
I spoke with someone in the glibc channel to make sure it's not a bug in the ioctl-call but it is not. 
After some research I (hope I) found the reason for the bug and created a fix which works with both 32 and 64bit (see attachement, I hope it works I never created a patch before). 

Greetings from germany

Johannes

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