stream_socket_client() to support 'ssl' "protocol"
stream_socket_client() to support 'ssl' "protocol"

fixes https://github.com/peachpiecompiler/peachpie/issues/391

iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie,iolevel/peachpie,iolevel/peachpie,iolevel/peachpie-concept,peachpiecompiler/peachpie