IPv6 tweaks for Thrift

Summary: Need to pass hints including AI_ADDRCONFIG to getaddrinfo to make sure no IPv6 addresses come back on non-IPv6 enabled systems

Reviewed By: mcslee

Other Notes: Submitted by Paul Saab


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665368 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/src/server/TNonblockingServer.cpp b/lib/cpp/src/server/TNonblockingServer.cpp
index ad1fb65..7735ec2 100644
--- a/lib/cpp/src/server/TNonblockingServer.cpp
+++ b/lib/cpp/src/server/TNonblockingServer.cpp
@@ -557,7 +557,7 @@
   memset(&hints, 0, sizeof(hints));
   hints.ai_family = PF_UNSPEC;
   hints.ai_socktype = SOCK_STREAM;
-  hints.ai_flags = AI_PASSIVE;
+  hints.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
   sprintf(port, "%d", port_);
 
   // Wildcard address