Port "use_tunneled_reply" fix for MS-CHAP from branch_1_1

diff --cc src/modules/rlm_eap/types/rlm_eap_ttls/eap_ttls.h
Simple merge

diff --cc src/modules/rlm_eap/types/rlm_eap_ttls/rlm_eap_ttls.c
Simple merge

diff --cc src/modules/rlm_eap/types/rlm_eap_ttls/ttls.c
Simple merge