Normalize resource path in AtomWindow constructor

src/browser/main.coffee

@@ -109,9 +109,6 @@ parseCommandLine = ->
   catch
     resourcePath = path.dirname(path.dirname(__dirname))
 
-  # Normalize to make sure drive letter case is consistent on Windows
-  resourcePath = path.normalize(resourcePath) if resourcePath
-
   {resourcePath, pathsToOpen, executedFrom, test, version, pidToKillWhenClosed, devMode, safeMode, newWindow, specDirectory, logFile}
 
 start()