Lib: correct input type to ioctlsocket on win32
Lib: correct input type to ioctlsocket on win32

alanxz/rabbitmq-c,Haster2004/rabbitmq-c,alanxz/rabbitmq-c,Haster2004/rabbitmq-c,Haster2004/rabbitmq-c,alanxz/rabbitmq-c