explicit sin cast

client.cpp

@@ -86,7 +86,7 @@ int Client::AddServer(long host,int prog,int vers)
 	if(sin.sin_port == 0)return(-1);
 	sock=socket(PF_INET, SOCK_STREAM, 0);
         if(sock<0)return(-2);
-	stat=connect(sock,&sin,sizeof(sin));
+	stat=connect(sock,(const sockaddr *)(&sin),sizeof(sin));
 	if(stat < 0) {
 		close(sock);
 		return(-3);