rgw/amqp: fix valgrind errors on uninitialized memory

Fixes: https://tracker.ceph.com/issues/64690

Signed-off-by: Yuval Lifshitz <[email protected]>

Author: yuvalif

src/rgw/rgw_amqp.cc

@@ -513,10 +513,10 @@ bool new_state(connection_t* conn, const connection_id_t& conn_id) {
 
 /// struct used for holding messages in the message queue
 struct message_wrapper_t {
-  connection_id_t conn_id;
-  std::string topic;
-  std::string message;
-  reply_callback_t cb;
+  const connection_id_t conn_id;
+  const std::string topic;
+  const std::string message;
+  const reply_callback_t cb;
 
   message_wrapper_t(const connection_id_t& _conn_id,
       const std::string& _topic,

src/rgw/rgw_amqp.h

@@ -26,10 +26,10 @@ void shutdown();
 // key class for the connection list
 struct connection_id_t {
   std::string host;
-  int port;
+  int port = 0;
   std::string vhost;
   std::string exchange;
-  bool ssl;
+  bool ssl = false;
   connection_id_t() = default;
   connection_id_t(const amqp_connection_info& info, const std::string& _exchange);
 };