gnucash-docs maint: Link the referenced 'Simple Transaction Example' in Transactions 'Opening Balances'

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/9f2f37d5 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/6f6a9dd3 (commit)



commit 9f2f37d5df47255cfb9bc21a68580ba9b01320ff
Author: fell <frank.h.ellenberger at gmail.com>
Date:   Wed Feb 14 09:34:58 2018 +0100

    Link the referenced 'Simple Transaction Example' in Transactions
    'Opening Balances'



Summary of changes:
 guide/C/ch_txns.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)