EAP-MSCHAPv2 and MPPE key

[Alan DeKok]

Alan DeKok wrote:
>   <shrug>  src/modules/rlm_eap/types/rlm_eap_mschap.c, line ~340, there
> are 4 calls to "pairdelete" remove the MPPE keys from the reply.
> 
> 	if (handler->request->parent) {

  It's slightly more complicated than that...  a better fix is in git,
branch v2.1.x.

  Alan DeKok.