Fixing some newline-preserving issues

Done internally as part of
facebookarchive/jstransform@f9836a3

Author: zpao

vendor/fbtransform/transforms/xjs.js

@@ -214,6 +214,7 @@ function renderXJSLiteral(object, isLast, state, start, end) {
 function renderXJSExpressionContainer(traverse, object, isLast, path, state) {
   // Plus 1 to skip `{`.
   utils.move(object.range[0] + 1, state);
+  utils.catchup(object.expression.range[0], state);
   traverse(object.expression, path, state);
 
   if (!isLast && object.expression.type !== Syntax.XJSEmptyExpression) {