fix some mem errors

account.cpp

@@ -299,16 +299,6 @@ weechat::account::~account()
      */
     if (buffer)
         weechat_buffer_close(buffer);
-
-    accounts.erase(name);
-
-    /* close xmpp context */
-    if (connection)
-        xmpp_conn_release(connection);
-    if (context)
-        xmpp_ctx_free(context);
-
-    delete this;
 }
 
 void weechat::account::disconnect(int reconnect)

channel.cpp

@@ -510,8 +510,7 @@ weechat::channel::member *weechat::channel::add_member(const char *id, const cha
 
     user = user::search(&account, id);
 
-    if (user && weechat_strcasecmp(user->id, id) == 0
-        && type == weechat::channel::chat_type::MUC)
+    if (this->id == id && type == weechat::channel::chat_type::MUC)
     {
         weechat_printf_date_tags(buffer, 0, "log2", "%sMUC: %s",
                                  weechat_prefix("network"), id);

config.cpp

@@ -72,8 +72,8 @@ bool account_read_cb(weechat::config_section& section,
 
         if (!account->reloading_from_config)
         {
-            bool ac_global = std::stoul(std::unique_ptr<char>(
-                                            weechat_info_get("auto_connect", NULL)).get());
+            bool ac_global = std::stoul(std::unique_ptr<char, decltype(free)*>(
+                                            weechat_info_get("auto_connect", NULL), &free).get());
             bool ac_local = account->autoconnect();
             if (ac_local && ac_global)
                 account->connect();

config.hh

@@ -172,7 +172,7 @@ namespace weechat
         std::unordered_map<struct t_config_option *, config_option&> options;
     };
 
-    struct config_option_free { void operator() (struct t_config_option *ptr) { weechat_config_option_free(ptr); } };
+    struct config_option_free { void operator() (struct t_config_option *ptr) { /* weechat_config_option_free(ptr); */ } };
     struct config_option : public std::unique_ptr<struct t_config_option, config_option_free>, public config_breadcrumb {
         config_option(struct t_config_option *ptr, config_section& section, std::string name)
             : std::unique_ptr<struct t_config_option, config_option_free>(ptr)