[ozmod_isdn] Backport fix from rework branch: use channel flag rather than…

[ozmod_isdn] Backport fix from rework branch: use channel flag rather than CRVFlag to properly release channels in ZAP_CHANNEL_STATE_DOWN transition

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@662 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/src/ozmod/ozmod_isdn/ozmod_isdn.c

@@ -1038,7 +1038,7 @@ static __inline__ void state_advance(zap_channel_t *zchan)
 	case ZAP_CHANNEL_STATE_DOWN:
 		{
 			if (gen->CRV) {
-				if(gen->CRVFlag) {
+				if (zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND)) {
 					isdn_data->channels_local_crv[gen->CRV] = NULL;
 				} else {
 					isdn_data->channels_remote_crv[gen->CRV] = NULL;