Fix occurrences of const typed declaration without initialization

webrtc/p2p/client/basicportallocator.cc

Index: webrtc/p2p/client/basicportallocator.cc
diff --git a/webrtc/p2p/client/basicportallocator.cc b/webrtc/p2p/client/basicportallocator.cc
index 41edd85e9eb9ff5e901ad0baa75188da4888d6af..bdafe35eab0be1d5ec65aa0f5155a48e0f2c0d49 100644
--- a/webrtc/p2p/client/basicportallocator.cc
+++ b/webrtc/p2p/client/basicportallocator.cc
@@ -152,7 +152,8 @@ BasicPortAllocator::BasicPortAllocator(
     rtc::NetworkManager* network_manager,
     rtc::PacketSocketFactory* socket_factory)
     : network_manager_(network_manager),
-      socket_factory_(socket_factory) {
+      socket_factory_(socket_factory),
+      stun_servers_() {
   ASSERT(socket_factory_ != NULL);
   Construct();
 }
@@ -160,7 +161,8 @@ BasicPortAllocator::BasicPortAllocator(
 BasicPortAllocator::BasicPortAllocator(
     rtc::NetworkManager* network_manager)
     : network_manager_(network_manager),
-      socket_factory_(NULL) {
+      socket_factory_(NULL),
+      stun_servers_() {
   Construct();
 }