data handling UPDATE reflect changes in libyang's handling of default values

reflects changes in libyang 0.10.86
diff --git a/src/netconf.h b/src/netconf.h
index 37212f8..d99d01f 100644
--- a/src/netconf.h
+++ b/src/netconf.h
@@ -84,10 +84,10 @@
  */
 typedef enum NC_WITHDEFAULTS_MODE {
     NC_WD_UNKNOWN = 0,    /**< invalid mode */
-    NC_WD_ALL = 0x01,     /**< report-all mode */
-    NC_WD_ALL_TAG = 0x02, /**< report-all-tagged mode */
-    NC_WD_TRIM = 0x04,    /**< trim mode */
-    NC_WD_EXPLICIT = 0x08 /**< explicit mode */
+    NC_WD_ALL,            /**< report-all mode */
+    NC_WD_ALL_TAG,        /**< report-all-tagged mode */
+    NC_WD_TRIM,           /**< trim mode */
+    NC_WD_EXPLICIT        /**< explicit mode */
 } NC_WD_MODE;
 
 /**