set_close_on_exec to accept SOCKET
set_close_on_exec to accept SOCKET

SOCKET is int on POSIX and uintptr_t on Windows this attempts to
resolve the casting problems.

GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver