Use handle from repo in dnf.crypto.retrieve()

New handle was created before. Network parameters (proxy settings, user name/password)
was ignored and downloading repo gpgkey from secured network (or behind proxy) failed.
Now handle from repo is used to downloading repo gpg key.

Author: jrohel

dnf/crypto.py

@@ -102,7 +102,7 @@ def import_repo_keys(repo):
     gpgdir = repo._pubring_dir
     known_keys = keyids_from_pubring(gpgdir)
     for keyurl in repo.gpgkey:
-        for keyinfo in retrieve(keyurl):
+        for keyinfo in retrieve(keyurl, repo):
             keyid = keyinfo.id_
             if keyid in known_keys:
                 logger.debug(_('repo %s: 0x%s already imported'), repo.id, keyid)