gnucash-docs maint: Use entities for yahoo links

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/f1e2ea73 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/30d6b14d (commit)



commit f1e2ea732bcad196051888f5eb21f3d1c0a32b7b
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Thu Sep 26 13:53:22 2019 +0200

    Use entities for yahoo links



Summary of changes:
 docbook/gnc-docbookx.dtd       | 2 ++
 guide/it/it.po                 | 8 ++++----
 guide/ja/ch_currency.xml       | 4 ++--
 guide/pt/ch_currency.xml       | 4 ++--
 help/C/Help_tips-appendix.xml  | 6 +++---
 help/de/Help_tips-appendix.xml | 6 +++---
 help/it/gnucash-help.xml       | 4 ++--
 help/pt/Help_tips-appendix.xml | 2 +-
 8 files changed, 19 insertions(+), 17 deletions(-)