Fix download URL embedded in Windows installer.

Author: zooba

Tools/msi/bundle/bundle.targets

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" TreatAsLocalProperty="DownloadUrl">
     <PropertyGroup>
         <SchemaVersion>2.0</SchemaVersion>
         <OutputType>Bundle</OutputType>