Fix [30]: Add PRINT_ENABLED around o/w unref'd vars (#31)

src/bacnet/basic/service/h_ccov.c

@@ -68,7 +68,9 @@ void handler_ccov_notification(uint8_t *service_request,
     BACNET_NPDU_DATA npdu_data;
     BACNET_COV_DATA cov_data;
     BACNET_PROPERTY_VALUE property_value[MAX_COV_PROPERTIES];
+#if PRINT_ENABLED
     BACNET_PROPERTY_VALUE *pProperty_value = NULL;
+#endif
     int len = 0;
     int pdu_len = 0;
     int bytes_sent = 0;

src/bacnet/basic/service/h_rpm_a.c

@@ -198,7 +198,9 @@ void rpm_ack_print_data(BACNET_READ_ACCESS_DATA *rpm_data)
     BACNET_OBJECT_PROPERTY_VALUE object_value; /* for bacapp printing */
     BACNET_PROPERTY_REFERENCE *listOfProperties;
     BACNET_APPLICATION_DATA_VALUE *value;
+#if PRINT_ENABLED
     bool array_value = false;
+#endif
 
     if (rpm_data) {
 #if PRINT_ENABLED

src/bacnet/basic/service/h_ucov.c

@@ -61,7 +61,9 @@ void handler_ucov_notification(
 {
     BACNET_COV_DATA cov_data;
     BACNET_PROPERTY_VALUE property_value[MAX_COV_PROPERTIES];
+#if PRINT_ENABLED
     BACNET_PROPERTY_VALUE *pProperty_value = NULL;
+#endif
     int len = 0;
 
     /* src not needed for this application */