add comments about resetting ZRTP context in case of RE-INVITE

coreapi/callbacks.c

@@ -116,6 +116,7 @@ void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMedia
 							video_stream_change_camera(call->videostream,lc->video_conf.device );
 #endif
 					}
+					/*FIXME ZRTP might be restarted in any cases ? */
 					ms_message("No need to restart streams, SDP is unchanged.");
 					goto end;
 				}else {

coreapi/conference.c

@@ -206,6 +206,7 @@ int linphone_core_add_to_conference(LinphoneCore *lc, LinphoneCall *call){
 			lc->current_call=NULL;
 		}
 		/*this will trigger a reINVITE that will later redraw the streams */
+		/*FIXME probably a bit too much to just redraw streams !*/
 		linphone_core_update_call(lc,call,params);
 		linphone_call_params_destroy(params);
 		add_local_endpoint(conf,lc);