Fix path to namespace_summaries in doc generation

Author: Josh Zana

doc/StoneDocs.shfbproj

@@ -21,7 +21,7 @@
       <DocumentationSource sourceFile="..\dropbox-sdk-dotnet\Dropbox.Api\stone_summaries.xml" />
       <DocumentationSource sourceFile="..\dropbox-sdk-dotnet\Dropbox.Api\docbin\Release\Dropbox.Api.dll" />
       <DocumentationSource sourceFile="..\dropbox-sdk-dotnet\Dropbox.Api\docbin\Release\Dropbox.Api.XML" />
-      <DocumentationSource sourceFile="..\dropbox-sdk-dotnet\Dropbox.Api\namespace_summaries.xml" />
+      <DocumentationSource sourceFile="..\dropbox-sdk-dotnet\Dropbox.Api\Generated\namespace_summaries.xml" />
     </DocumentationSources>
     <BuildAssemblerVerbosity>OnlyWarningsAndErrors</BuildAssemblerVerbosity>
     <HelpFileFormat>Website</HelpFileFormat>