Fix reinvite in case of redirection: we should use the...

Fix reinvite in case of redirection: we should use the linphone_core_restart_invite function, which correctly handles the streams close/reopen

coreapi/callbacks.c

@@ -772,8 +772,11 @@ static void call_failure(SalOp *op){
 					char* url = linphone_address_as_string(redirection_to);
 					ms_warning("Redirecting call [%p] to %s",call, url);
 					ms_free(url);
-					linphone_call_create_op(call);
-					linphone_core_start_invite(lc, call, redirection_to);
+					if( call->log->to != NULL ) {
+						linphone_address_unref(call->log->to);
+					}
+					call->log->to = linphone_address_ref(redirection_to);
+					linphone_core_restart_invite(lc, call);
 					return;
 				}
 			}

tester/call_tester.c

@@ -1820,6 +1820,7 @@ static void call_waiting_indication_with_param(bool_t enable_caller_privacy) {
 
 	/*use playfile for callee to avoid locking on capture card*/
 	linphone_core_use_files (laure->lc,TRUE);
+	linphone_core_use_files (marie->lc,TRUE);
 	snprintf(hellopath,sizeof(hellopath), "%s/sounds/hello8000.wav", liblinphone_tester_file_prefix);
 	linphone_core_set_play_file(laure->lc,hellopath);
 	if (enable_caller_privacy)
@@ -1844,7 +1845,8 @@ static void call_waiting_indication_with_param(bool_t enable_caller_privacy) {
 		LinphoneCall *call=(LinphoneCall *)iterator->data;
 		if (call != pauline_called_by_marie) {
 			/*fine, this is the call waiting*/
-			linphone_core_accept_call(pauline->lc,pauline_called_by_laure=call);
+			pauline_called_by_laure=call;
+			linphone_core_accept_call(pauline->lc,pauline_called_by_laure);
 		}
 	}