Fix get_level AF for FTDX10

rigs/yaesu/newcat.c

@@ -4952,6 +4952,7 @@ int newcat_get_level(RIG *rig, vfo_t vfo, setting_t level, value_t *val)
         {
             RETURNFUNC(-RIG_ENAVAIL);
         }
+        if (is_ftdx10) { main_sub_vfo = '0'; }
 
         SNPRINTF(priv->cmd_str, sizeof(priv->cmd_str), "AG%c%c", main_sub_vfo,
                  cat_term);