dns/ddclient/dyndns2: fix the ovh-dyndns as reported in #3679

This commit fixes the update process for ovh-dyndns - part of the #3679

Author: interj

dns/ddclient/src/opnsense/scripts/ddclient/lib/account/dyndns2.py

@@ -89,7 +89,8 @@ def execute(self):
                     'params': {
                         'hostname': self.settings.get('hostnames'),
                         'myip': self.current_address,
-                        'wildcard': 'ON' if self.settings.get('wildcard', False) else 'NOCHG'
+                        'wildcard': 'ON' if self.settings.get('wildcard', False) else 'NOCHG',
+                        'system': 'dyndns'
                     },
                     'auth': HTTPBasicAuth(self.settings.get('username'), self.settings.get('password')),
                     'headers': {