fix block comment

Author: wangxian

src/nodes.coffee

@@ -555,9 +555,9 @@ exports.Comment = class Comment extends Base
   makeReturn:      THIS
 
   compileNode: (o, level) ->
-    code = "/*#{multident @comment, @tab}#{if '\n' in @comment then "\n#{@tab}" else ''}*/\n"
+    code = "/*#{multident @comment, @tab}#{if '\n' in @comment then "\n#{@tab}" else ''}*/"
     code = o.indent + code if (level or o.level) is LEVEL_TOP
-    [@makeCode code]
+    [@makeCode "\n", @makeCode code]
 
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