[PATCH] Add support for xlat'd challenge in rlm_eap_gtc

[Alan DeKok]

Alexander Clouter wrote:
> The FIXME in rlm_eap_gtc.c has gone on so long unloved.  God said, let 
> there be xlat'ing and so there was...
> 
> This patch shamelessly steals the xlat functionality in
> rlm_eap_tls.c and slaps it into rlm_eap_gtc.c, thus lettings
> you do handy things such as:

  Added, thanks.

  Alan DeKok.