Fix exec of IRC command when connecting to server if server buffers are merged, and that server is not the selected server

src/plugins/irc/irc-command.c

@@ -2732,7 +2732,7 @@ irc_command_server (void *data, struct t_gui_buffer *buffer, int argc,
 {
     int i, detailed_list, one_server_found;
     struct t_irc_server *ptr_server2, *server_found, *new_server;
-    char *server_name, charset_modifier[256];
+    char *server_name;
     
     IRC_GET_SERVER_CHANNEL(buffer);
     
@@ -3102,14 +3102,7 @@ irc_command_server (void *data, struct t_gui_buffer *buffer, int argc,
                     }
                 }
             }
-            irc_server_set_buffer_title (irc_current_server);
-            snprintf (charset_modifier, sizeof (charset_modifier),
-                      "irc.%s", irc_current_server->name);
-            weechat_buffer_set (irc_current_server->buffer,
-                                "localvar_set_charset_modifier",
-                                charset_modifier);
-            weechat_bar_item_update ("buffer_name");
-            weechat_bar_item_update ("input_prompt");
+            irc_server_set_current_server (irc_current_server);
         }
         return WEECHAT_RC_OK;
     }