Macro libimagentryutil::provide_kindflag_path

macro_rules! provide_kindflag_path {
    (pub $entry_header_path_provider_type:ident, $path:expr) => { ... };
    ($entry_header_path_provider_type:ident, $path:expr) => { ... };
    (impl for $entry_header_path_provider_type:ident, $path:expr) => { ... };
}

Create (pub/non-pub) type for providing a kindflag_header_location() implementation.