applies an extract of debian 030_ipv6.patch

this fixed the CVE-2012-3526. 030_ipv6.patch was not applying cleanly.
original bug from http://zecrazytux.net/troubleshooting/apache2-segfault-debugging-tutorial
Merge pull request #17 from phillipp/master

CVE-2012-3526 fix from 030_ipv6.patch