Add missing @headerfile directives.
Add missing @headerfile directives.

simonwagner/grantlee,simonwagner/grantlee,cutelyst/grantlee,cutelyst/grantlee,simonwagner/grantlee,simonwagner/grantlee,cutelyst/grantlee,cutelyst/grantlee,simonwagner/grantlee,cutelyst/grantlee,simonwagner/grantlee