fix accumulated whitespace and indentation damage

shell/ash_test/ash-arith/arith-for.right

@@ -11,8 +11,8 @@
 2
 4
 fx is a function
-fx () 
-{ 
+fx ()
+{
     i=0;
     for ((1; i < 3; i++ ))
     do

shell/ash_test/ash-arith/arith-for.testsx

@@ -73,7 +73,7 @@ done
 type fx
 fx
 
-# errors 
+# errors
 for (( i=0; "i < 3" ))
 do
 	echo $i

shell/ash_test/ash-arith/arith.tests

@@ -144,12 +144,12 @@ echo 40 $(( 8 ^ 32 ))
 #ash# echo 10 $(( 32#a ))
 #ash# echo 10 $(( 56#a ))
 #ash# echo 10 $(( 64#a ))
-#ash# 
+#ash#
 #ash# echo 10 $(( 16#A ))
 #ash# echo 10 $(( 32#A ))
 #ash# echo 36 $(( 56#A ))
 #ash# echo 36 $(( 64#A ))
-#ash# 
+#ash#
 #ash# echo 62 $(( 64#@ ))
 #ash# echo 63 $(( 64#_ ))