windows snprintf is _snprintf
windows snprintf is _snprintf

https://github.com/warmcat/libwebsockets/issues/411#issuecomment-207290650

ralight/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,ralight/libwebsockets,ralight/libwebsockets,ralight/libwebsockets