cpp: TSocketPool: make it possible to add servers by struct

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@920675 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/transport/TSocketPool.cpp b/lib/cpp/src/transport/TSocketPool.cpp
index 1150282..c50877d 100644
--- a/lib/cpp/src/transport/TSocketPool.cpp
+++ b/lib/cpp/src/transport/TSocketPool.cpp
@@ -125,6 +125,12 @@
   servers_.push_back(shared_ptr<TSocketPoolServer>(new TSocketPoolServer(host, port)));
 }
 
+void TSocketPool::addServer(shared_ptr<TSocketPoolServer> &server) {
+  if (server) {
+    servers_.push_back(server);
+  }
+}
+
 void TSocketPool::setServers(const vector< shared_ptr<TSocketPoolServer> >& servers) {
   servers_ = servers;
 }