Bug #12612184 BLOB debug code cleanup: Forgot an #if

around the declaration of trx_assert_recovered().

storage/innodb_plugin/include/trx0sys.h

@@ -284,6 +284,7 @@ ibool
 trx_in_trx_list(
 /*============*/
 	trx_t*	in_trx);/*!< in: trx */
+#if defined UNIV_DEBUG || defined UNIV_BLOB_LIGHT_DEBUG
 /***********************************************************//**
 Assert that a transaction has been recovered.
 @return TRUE */
@@ -293,6 +294,7 @@ trx_assert_recovered(
 /*=================*/
 	trx_id_t	trx_id)		/*!< in: transaction identifier */
 	__attribute__((warn_unused_result));
+#endif /* UNIV_DEBUG || UNIV_BLOB_LIGHT_DEBUG */
 /*****************************************************************//**
 Updates the offset information about the end of the MySQL binlog entry
 which corresponds to the transaction just being committed. In a MySQL