Add compiler extension to handle platforms.

Custom actions to print EULA and validate install directories are
defined in WixUIExtension compiler extension, to handle
platform-specific custom actions referred to from `DoAction` control
events. This is the least-worst solution, given the `DoAction` approach
used in the WixUI authoring and anyone customizing a WixUI set.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/test/burn/TestData/FilesInUseTests/PackageA/PackageA.wxs b/src/test/burn/TestData/FilesInUseTests/PackageA/PackageA.wxs
index a96c2a11..0902ff1a 100644
--- a/src/test/burn/TestData/FilesInUseTests/PackageA/PackageA.wxs
+++ b/src/test/burn/TestData/FilesInUseTests/PackageA/PackageA.wxs
@@ -1,10 +1,10 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 
-<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
+<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui">
   <Fragment>
     <ComponentGroup Id="ProductComponents" />
 
-    <UIRef Id="WixUI_Minimal" />
+    <ui:WixUI Id="WixUI_Minimal" />
     <WixVariable Id="WixUILicenseRtf" Value="license.txt" />
   </Fragment>
 </Wix>