Checkmk Werk 7499: cisco_asa_conn: Handle missing OID containing the IP address

ID: 7499 Title: cisco_asa_conn: Handle missing OID containing the IP address Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 It is known that the OIDs for IP addresses may be missing instead of leading to an empty string in the info datastructure. This werk adds handling for this edge case.