Use IntermediateOutputPath instead of OutDir for RestoreToBundle

Author: flibitijibibo

docs/3:-Distributing-FNA-Games.md

@@ -147,8 +147,8 @@ MSBuild technically supports something called `ExcludeFromSingleFile` but this o
   </ItemGroup>
 </Target>
 <Target Name="RestoreToBundle" AfterTargets="GenerateSingleFileBundle">
-  <Copy SourceFiles="$(OutDir)/flibitGame.dll" DestinationFolder="$(PublishDir)" />
-  <Copy SourceFiles="$(OutDir)/FNA.dll" DestinationFolder="$(PublishDir)" />
+  <Copy SourceFiles="$(IntermediateOutputPath)/flibitGame.dll" DestinationFolder="$(PublishDir)" />
+  <Copy SourceFiles="$(IntermediateOutputPath)/FNA.dll" DestinationFolder="$(PublishDir)" />
 </Target>
 ```