tidy up the script

src/etc/ttys.pty

@@ -18,10 +18,8 @@ letters="p q r s t u v w x y z P Q R S T"
 suffixes="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q \
     r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"
 
-for i in ${letters}
-do
-  for j in ${suffixes}
-  do
-    echo "tty${i}${j}	none				network"
-  done
+for i in ${letters}; do
+    for j in ${suffixes}; do
+	echo "tty${i}${j}	none				network"
+    done
 done