fix line endings on visual_studio_version.gni

So CQ works on https://codereview.chromium.org/290713002

TBR=brettw@chromium.org

Review URL: https://codereview.chromium.org/288343008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271827 0039d316-1c4b-4281-b951-d872f2087c98

build/config/win/visual_studio_version.gni

-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-declare_args() {
-  # Path to Visual Studio. If empty, the default is used which is to use the
-  # automatic toolchain in depot_tools.
-  visual_studio_path = ""
-
-  # Full path to the Windows SDK, not including a backslash at the end.
-  # This value is the default location, override if you have a different
-  # installation location.
-  windows_sdk_path = "C:\Program Files (x86)\Windows Kits\8.0"
-}
-
-if (visual_studio_path == "") {
-  toolchain_data = 
-      exec_script("../../vs_toolchain.py", [ "get_toolchain_dir" ], "value")
-  visual_studio_path = toolchain_data[0]
-  windows_sdk_path = toolchain_data[1]
-}
-
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+declare_args() {
+  # Path to Visual Studio. If empty, the default is used which is to use the
+  # automatic toolchain in depot_tools.
+  visual_studio_path = ""
+
+  # Full path to the Windows SDK, not including a backslash at the end.
+  # This value is the default location, override if you have a different
+  # installation location.
+  windows_sdk_path = "C:\Program Files (x86)\Windows Kits\8.0"
+}
+
+if (visual_studio_path == "") {
+  toolchain_data =
+      exec_script("../../vs_toolchain.py", [ "get_toolchain_dir" ], "value")
+  visual_studio_path = toolchain_data[0]
+  windows_sdk_path = toolchain_data[1]
+}
+