fd_msg_add_result: add function Add fd_msg_add_result() as a superset of fd_msg_rescode_set() to allow setting of either Result-Code or Experimental-Result (Grouped), depending upon whether the supplied vendor is 0 or not. Reimplement fd_msg_rescode_set() in terms of fd_msg_add_result().

#### a sample configuration file for EAP-TLS

#Certificate and Private key files
#Cred = "<Path to certificate>" : "<Path to private Key>";

#CA file
#CA = "<Path to CA file>";

#CRL file
#CRL = "<Path to CRL file>";

#Enable/disable checking certificate's CN
check_cert_cn_username = 1;