types plugins BUGFIX duplicated function declaration

copy-paste error
diff --git a/src/plugins_types.h b/src/plugins_types.h
index 3867d90..b816739 100644
--- a/src/plugins_types.h
+++ b/src/plugins_types.h
@@ -923,10 +923,10 @@
         struct lyd_value *storage, struct lys_glob_unres *unres, struct ly_err_item **err);
 
 /**
- * @brief Comparison callback checking the union value.
+ * @brief Comparison callback checking the xpath1.0 value.
  * Implementation of the ::lyplg_type_compare_clb.
  */
-LY_ERR lyplg_type_compare_union(const struct lyd_value *val1, const struct lyd_value *val2);
+LY_ERR lyplg_type_compare_xpath10(const struct lyd_value *val1, const struct lyd_value *val2);
 
 /**
  * @brief Printer callback printing the xpath1.0 value.