fix while statements each

wasn’t picking up condition

lib/vool/statements/while_statement.rb

@@ -29,7 +29,7 @@ module Vool
 
     def each(&block)
       block.call(self)
-      @condition.each(&block)
+      block.call(@condition)
       @body.each(&block)
     end
 

test/vool/to_mom/test_while_simple.rb

@@ -11,9 +11,6 @@ module Vool
       @ins = compile_first_method( "while(@a) ; 5.mod4 ; end")
     end
 
-    def test_compiles_not_array
-      assert Array != @ins.class , @ins
-    end
     def test_compiles_as_while
       assert_equal Label , @ins.class , @ins
     end