Merge pull request #7789 from mattjbray/fix-get-fqdn

fix for repo urls like ssh://git@github.com/ansible/ansible.git

lib/ansible/module_utils/known_hosts.py

@@ -71,6 +71,8 @@ def get_fqdn(repo_url):
         parts = urlparse.urlparse(repo_url)
         if parts[1] != '':
             result = parts[1]
+        if "@" in result:
+            result = result.split("@", 1)[1]
 
     return result