radius.log behaviour change v1 -> v2

[Alan DeKok]

Stefan Winter wrote:
> Digging through the code, I noticed that there should already be a 
> notification by adding "via TLS tunnel" at the end of the log line, the code 
> in question in auth_name() in auth.c being a ternary op:
> 
> (request->packet->src_port == 0) ? " via TLS tunnel" : "");

  That should be "... dst_port == 0".  I've committed a fix.

  Alan DeKok.