free reader (HttpRequestParser) when connection is closed

@@ -7,6 +7,7 @@ void
 serverCloseConn(Server this, unsigned int i)
 {
 	delete(&((this->conns)[i].sock));
+	delete(&((this->conns)[i].reader));
 	CLEAR_CONN(this, i);
 	this->nfds--;
 }