Add missing iostream include

Otherwise build breaks with boost>=1.70 Should fix #11

Add missing iostream include
cdbf06f3 · Nicolas Werner · 41314809 · cdbf06f3
Commit cdbf06f3 authored 5 years ago by Nicolas Werner
--- a/lib/http/session.cpp
+++ b/lib/http/session.cpp
 #include "mtxclient/http/session.hpp"

+#include <iostream>
+
 using namespace mtx::http;

 Session::Session(boost::asio::io_service &ios,