close connection at game end i guess

uttt.c

@@ -613,11 +613,13 @@ int ut_network_game(struct ut_state *state, struct ut_socket_buffer *sockbuf, ch
 			{
 				printf("\nDraw!\n");
 				if (host) {ut_dprintf(sockbuf->fd, "|\n|Draw!\n");}
+				close(sockbuf->fd);
 			}
 			else
 			{
 				printf("\n%c wins!\n", (int)w);
 				if (host) {ut_dprintf(sockbuf->fd, "|\n|%c wins!\n", (int)w);}
+				close(sockbuf->fd);
 			}
 			break;
 		}