Fix warnings from classes with virtual functions not having virtual destructors

include/commands.h

@@ -38,6 +38,7 @@ struct CommandInfo
  */
 struct CommandReply
 {
+	virtual ~CommandReply() { }
 	virtual void SendMessage(const BotInfo *source, const Anope::string &msg) = 0;
 };
 

include/sockets.h

@@ -130,6 +130,8 @@ enum SocketFlag
 class CoreExport SocketIO
 {
  public:
+	virtual ~SocketIO() { }
+
 	/** Receive something from the buffer
  	 * @param s The socket
 	 * @param buf The buf to read to