Don't forget the type of thing we are loading

Don't forget the type of thing we are loading

The apps helper function load_key_certs_crls() is a general purpose
function for loading different types of objects from a given URI. It
sets up an OSSL_STORE and calls OSSL_STORE_expect() so that the store
knows what type of thing to expect to load. Unfortunately this wasn't
working and was always setting "expect" to 0 - which means "anything".

Fixes #13709

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14191)