Fix some winsock argument types.

src/net.c

@@ -165,7 +165,11 @@ int net__socket_accept(struct mosquitto_db *db, mosq_sock_t listensock)
 
 	if(db->config->set_tcp_nodelay){
 		int flag = 1;
+#ifdef WIN32
+			if (setsockopt(new_sock, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int)) != 0) {
+#else
 		if(setsockopt(new_sock, IPPROTO_TCP, TCP_NODELAY, &flag, sizeof(int)) != 0){
+#endif
 			log__printf(NULL, MOSQ_LOG_WARNING, "Warning: Unable to set TCP_NODELAY.");
 		}
 	}
@@ -588,11 +592,7 @@ int net__socket_listen(struct mosquitto__listener *listener)
 	struct addrinfo *ainfo, *rp;
 	char service[10];
 	int rc;
-#ifndef WIN32
 	int ss_opt = 1;
-#else
-	char ss_opt = 1;
-#endif
 #ifdef SO_BINDTODEVICE
 	struct ifreq ifr;
 #endif