dirmngr: Load "sks-keyservers.netCA.pem" into the cache.
* dirmngr/certcache.c (load_certs_from_file): Always build this function. Add args 'trustclasses' and 'no_error'. Pass TRUSTCLASSES to put_cert. (load_certs_from_system): Pass CERTTRUST_CLASS_SYSTEM to load_certs_from_file. (cert_cache_init): Try to load "sks-keyservers.netCA.pem". Don't make function fail in an out-of-core condition.
- Signed-off-by: Werner Koch <wk@gnupg.org>