HTTPCORE-357: Avoid DNS lookups in SSLIOSessions in server mode.
Contributed by Isaac Cruz Ballesteros <icruzbal at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1544821 13f79535-47bb-0310-9956-ffa450edef68
 HTTPCORE-357: minor code cleanup

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1544823 13f79535-47bb-0310-9956-ffa450edef68