devel/commoncpp: Fix build with Clang 6
socket.cpp:1293:12: error: invalid argument type '__bind<volatile int &, sockaddr *&, unsigned int>' to unary expression
if(!bind(so, list->ai_addr, (socklen_t)list->ai_addrlen)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~PR: 229389
Reported by: rainer@ultra-secure.de
Submitted by: tobik
Approved by: acm (maintainer timeout, 2 months)