get_dhcp_fqdn
Description:
Returns the value contained in the dhcp_fqdn property.
Parameters:
| this | the SettingIP4Config | 
Returns:
| the configured FQDN to send to the DHCP server | 
Returns the value contained in the dhcp_fqdn property.
| this | the SettingIP4Config | 
| the configured FQDN to send to the DHCP server |