Cleanup: Make row_upd_store_row() static

storage/innobase/include/row0upd.h

 /*****************************************************************************
 
 Copyright (c) 1996, 2018, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2018, MariaDB Corporation.
+Copyright (c) 2018, 2020, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -371,16 +371,6 @@ row_upd_changes_some_index_ord_field_binary(
 /*========================================*/
 	const dict_table_t*	table,	/*!< in: table */
 	const upd_t*		update);/*!< in: update vector for the row */
-/** Stores to the heap the row on which the node->pcur is positioned.
-@param[in]	node		row update node
-@param[in]	thd		mysql thread handle
-@param[in,out]	mysql_table	NULL, or mysql table object when
-				user thread invokes dml */
-void
-row_upd_store_row(
-	upd_node_t*	node,
-	THD*		thd,
-	TABLE*		mysql_table);
 /***********************************************************//**
 Updates a row in a table. This is a high-level function used
 in SQL execution graphs.

storage/innobase/row/row0upd.cc

@@ -2206,6 +2206,7 @@ row_upd_store_v_row(
 @param[in]	thd		mysql thread handle
 @param[in,out]	mysql_table	NULL, or mysql table object when
 				user thread invokes dml */
+static
 void
 row_upd_store_row(
 	upd_node_t*	node,