Merge pull request #86 from microsoft/lukka/fixsigningcert

use correct cert name

Author: jgoshi

VSInsertion/Signing/SignFiles.csproj

@@ -45,7 +45,7 @@
 
     <ItemGroup>
       <FilesToSign Include="@(FilesToCopy->'$(OutDir)%(Filename)%(Extension)')">
-        <Authenticode>Microsoft</Authenticode>
+        <Authenticode>Microsoft400</Authenticode>
       </FilesToSign>
     </ItemGroup>
   </Target>