From 6f05466cf5e3cf9a06a3532d244c4697c3bf0136 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 11 Nov 2014 13:36:59 +1100
Subject: [PATCH] normalise windows path separators to unix

---
 lib/6to5/file.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/6to5/file.js b/lib/6to5/file.js
index 2f5127f350..291b6601ef 100644
--- a/lib/6to5/file.js
+++ b/lib/6to5/file.js
@@ -33,6 +33,9 @@ File.normaliseOptions = function (opts) {
     runtime:    false
   });
 
+  // normalise windows path separators to unix
+  opts.filename = opts.filename.replace(/\\/g, "/");
+
   _.defaults(opts, {
     sourceFileName: opts.filename,
     sourceMapName:  opts.filename