fix excessive whitespace trimming resulting in innaccurate sourcemap line - fixes #151

test/fixtures/transformation/destructuring/for-in/expected.js

@@ -3,6 +3,5 @@
 for (var _ref in obj) {
   var name = _ref[0];
   var value = _ref[1];
-
   print("Name: " + name + ", Value: " + value);
 }

test/fixtures/transformation/destructuring/parameters/expected.js

@@ -10,7 +10,6 @@ function somethingAdvanced(_ref) {
 function unpackObject(_ref2) {
   var title = _ref2.title;
   var author = _ref2.author;
-
   return title + " " + author;
 }
 
@@ -23,7 +22,6 @@ var unpackArray = function (_ref3, _ref4) {
   var x = _ref4[0];
   var y = _ref4[1];
   var z = _ref4[2];
-
   return a + b + c;
 };