Fix auto raw pointer deduction on linux

remoting/protocol/jingle_session.cc

Index: remoting/protocol/jingle_session.cc
diff --git a/remoting/protocol/jingle_session.cc b/remoting/protocol/jingle_session.cc
index bb3eb73f243e8e049ddd973c9b7cea8ed44c17cb..1b1343f72a5db2666d930fd0924c9202e558d8eb 100644
--- a/remoting/protocol/jingle_session.cc
+++ b/remoting/protocol/jingle_session.cc
@@ -769,14 +769,14 @@ void JingleSession::ProcessIncomingPluginMessage(
   if (!message.attachments) {
     return;
   }
-  for (const auto& plugin : plugins_) {
+  for (auto* plugin : plugins_) {
     plugin->OnIncomingMessage(*(message.attachments));
   }
 }
 
 void JingleSession::AddPluginAttachments(JingleMessage* message) {
   DCHECK(message);
-  for (const auto& plugin : plugins_) {
+  for (auto* plugin : plugins_) {
     std::unique_ptr<XmlElement> attachment = plugin->GetNextMessage();
     if (attachment) {
       message->AddAttachment(std::move(attachment));