frontpage: Only show warnings about ldap & radius if those modules are enabled.
frontpage: Only show warnings about ldap & radius if those modules are enabled.

Thanks to Gordon Franke for providing this fix!

Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp