gnucash stable: [gnc-html.i] add missing <cstdio>

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/ea67f3a8 (commit)
	from  https://github.com/Gnucash/gnucash/commit/36fab074 (commit)



commit ea67f3a87ae92cc5f42f18bddd857f0f404224c7
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Apr 7 20:55:51 2026 +0800

    [gnc-html.i] add missing <cstdio>



Summary of changes:
 gnucash/html/gnc-html.i | 1 +
 1 file changed, 1 insertion(+)