Allow for the use of IPv6 IPs as APR endpoints. Use of APR_UNSPEC means that APR can determine to viability of using IPv6; for example, if APR was built with IPv6 support and/or the platform supports it.
Allow for the use of IPv6 IPs as APR endpoints. Use of APR_UNSPEC
means that APR can determine to viability of using IPv6; for
example, if APR was built with IPv6 support and/or the platform
supports it.

kudos to Jean-frederic Clere for 1st spotting the restrictive
family test.

PR: Bugz # 37788
Orig patch/report: Markus Schoenhaber <bugzilla schoenhaber.de> (mks)
Tested: jfclere, mks, jim


git-svn-id: b819289d3a0e8888cd070d2ae628b7cf730b797f@373517 13f79535-47bb-0310-9956-ffa450edef68

apache/tomcat-native,rmaucher/tomcat-native-openssl,apache/tomcat-native,rmaucher/tomcat-native-openssl,andreydomas/tomcat-native,rmaucher/tomcat-native-openssl,apache/tomcat-native,apache/tomcat-native,andreydomas/tomcat-native,rmaucher/tomcat-native-openssl,andreydomas/tomcat-native,apache/tomcat-native,andreydomas/tomcat-native,rmaucher/tomcat-native-openssl,andreydomas/tomcat-native