A space between switch and open-paren. Don't explicitly cast the value

returned by getopt(3) to 'char' in a switch.

usr.bin/tty/tty.c

@@ -60,7 +60,7 @@ main(int argc, char *argv[])
 
 	sflag = 0;
 	while ((ch = getopt(argc, argv, "s")) != -1)
-		switch((char)ch) {
+		switch (ch) {
 		case 's':
 			sflag = 1;
 			break;