Small fixes for MSVC
Small fixes for MSVC

jdiez17/zproto,hintjens/zproto,hintjens/zproto,asokoloski/zproto,somdoron/zproto,jemc/zproto,bkmit/zproto,sphaero/zproto,sphaero/zproto,c-rack/zproto,zeromq/zproto,asokoloski/zproto,bkmit/zproto,zeromq/zproto,sappo/zproto,somdoron/zproto,zeromq/zproto,asokoloski/zproto,vyskocilm/zproto,somdoron/zproto,hintjens/zproto,sphaero/zproto,jemc/zproto,sappo/zproto,hintjens/zproto,jemc/zproto,sphaero/zproto,jemc/zproto,somdoron/zproto,hintjens/zproto,jdiez17/zproto,sappo/zproto,sappo/zproto,vyskocilm/zproto,vyskocilm/zproto,jemc/zproto,asokoloski/zproto,c-rack/zproto,sphaero/zproto,somdoron/zproto,bkmit/zproto,c-rack/zproto,asokoloski/zproto,bkmit/zproto,vyskocilm/zproto,hintjens/zproto,vyskocilm/zproto,c-rack/zproto,zeromq/zproto,zeromq/zproto,sappo/zproto,c-rack/zproto,hintjens/zproto,vyskocilm/zproto,sappo/zproto,asokoloski/zproto,sphaero/zproto,c-rack/zproto,sappo/zproto,c-rack/zproto,jdiez17/zproto,jdiez17/zproto,somdoron/zproto,jdiez17/zproto,zeromq/zproto,jemc/zproto,bkmit/zproto,vyskocilm/zproto,zeromq/zproto,jdiez17/zproto,somdoron/zproto,jdiez17/zproto,bkmit/zproto,jemc/zproto,bkmit/zproto,asokoloski/zproto