FS-4768 VS2012 add Setup Heat xslt filter to project

w32/Setup/Setup.2012.wixproj

@@ -59,6 +59,9 @@
       <RefTargetDir>INSTALLFOLDER</RefTargetDir>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="filter.xslt" />
+  </ItemGroup>
   <Import Project="$(WixTargetsPath)" />
   <PropertyGroup>
     <PreBuildEvent>"$(WixToolPath)\heat.exe" dir "$(ProjectDir)..\..\conf\vanilla" -cg FreeSWITCHConfFiles -gg -scom -sreg -sfrag -srd -dr CONFLOCATION -var var.FreeSWITCHConfFilesDir -out "$(ProjectDir)Fragments\FreeSWITCHConfFiles.wxs"