Fixed THE Typo of the project...

src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.csproj

@@ -631,7 +631,7 @@ This package is an internal implementation of the .NET Core SDK and is not meant
       Overwrite="true"
       Condition="'$(ArchiveExtension)' == '.zip'" />
     <Exec
-      Command="tar -czf $(CompositeArchiveOutputPath)"
+      Command="tar -czf $(CompositeArchiveOutputPath) ."
       WorkingDirectory="$(CompositeTargetDir)"
       Condition="'$(ArchiveExtension)' == '.tar.gz'" />
   </Target>