Fix #41973 by not initializing IPV6 if address is null. APR cannot listen both on IPV4 and IPV6 on some platforms (e.g BSD and Windows).
Fix #41973 by not initializing IPV6 if address is null.
APR cannot listen both on IPV4 and IPV6 on some platforms
(e.g BSD and Windows).

git-svn-id: 40f70788afc64a734d8b91520bec53ae21e7042f@525132 13f79535-47bb-0310-9956-ffa450edef68

Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,apache/tomcat