main BUGFIX subscription order may matter

Fixes #1742

Author: michalvasko

src/main.c

@@ -1057,9 +1057,10 @@ server_data_subscribe(void)
     sr_module_change_set_order(np2srv.sr_conn, "ietf-keystore", SR_DS_RUNNING, 5);
     sr_module_change_set_order(np2srv.sr_conn, "ietf-truststore", SR_DS_RUNNING, 5);
 
-    SR_CONFIG_SUBSCR("ietf-netconf-server", NULL, np2srv_libnetconf2_config_cb);
+    /* create keys and certs subscriptions before server configuration, which may already reference them */
     SR_CONFIG_SUBSCR("ietf-keystore", NULL, np2srv_libnetconf2_config_cb);
     SR_CONFIG_SUBSCR("ietf-truststore", NULL, np2srv_libnetconf2_config_cb);
+    SR_CONFIG_SUBSCR("ietf-netconf-server", NULL, np2srv_libnetconf2_config_cb);
     SR_CONFIG_SUBSCR("libnetconf2-netconf-server", NULL, np2srv_libnetconf2_config_cb);
 
     /*