Merge branch 'nsg-4.3' of ssh://git.sangoma.com/smg_freeswitch into nsg-4.3

diff --cc src/mod/endpoints/mod_media_gateway/media_gateway.c
index 78c0d400997b7cd76b60b78a75f79b61b7fb6d9e,3b12dadfeb43fff5c0e3162d243a1e339a78488e..134b609a27334d681b569529802bd1834c4ccf65
--- 1/src/mod/endpoints/mod_media_gateway/media_gateway.c
--- 2/src/mod/endpoints/mod_media_gateway/media_gateway.c
+++ b/src/mod/endpoints/mod_media_gateway/media_gateway.c
@@@ -373,8 -374,8 +374,9 @@@ void megaco_termination_destroy(mg_term
          free(term->active_events);
          term->active_events = NULL;
      }
+     term->context = NULL;
  
 +
      switch_clear_flag(term, MGT_ALLOCATED);
      switch_clear_flag(term, MGT_ACTIVE);