pass trailing whitespace test

Author: coke

doc/Language/list.pod6

@@ -389,7 +389,7 @@ or C<;> in brackets after the name of the array container. The values of such
 an C<Arrays> will default to C<Any>. The shape can be accessed at runtime via
 the C<shape> method.
 
-    my @a[2,2]; 
+    my @a[2,2];
     dd @a;
     # OUTPUT«Array.new(:shape(2, 2), [Any, Any], [Any, Any])␤»
     say @a.shape;

doc/Language/typesystem.pod6

@@ -31,7 +31,7 @@ methods from foreign objects.
     };
 
     say A.new.WHAT; # OUTPUT«(A)␤»
-    say A.new."WHAT"() # OUTPUT«ain't gonna happen␤» 
+    say A.new."WHAT"() # OUTPUT«ain't gonna happen␤»
 
 =head4 Setting Attributes with Namesake Variables and Methods
 

t/trailing_whitespace.t

@@ -14,13 +14,13 @@ for qx<git ls-files>.lines -> $file {
     push @files, $file;
 }
 
-plan +@files;  
+plan +@files;
 
 for @files -> $file {
     my $ok = True;
     for $file.IO.lines -> $line {
         if $line ~~ / \s $/ {
-           $ok = False; last; 
+           $ok = False; last;
         }
     }
     ok $ok, "no trailing whitespace in $file";