gnucash maint: [core-utils] define _ for guile-2.2

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/ad20f859 (commit)
	from  https://github.com/Gnucash/gnucash/commit/2054e202 (commit)



commit ad20f859cc15e249c8d4443d4446c1a4d1cf6b81
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sun Aug 2 22:56:06 2020 +0800

    [core-utils] define _ for guile-2.2



Summary of changes:
 bindings/guile/core-utils.scm | 8 ++++++++
 1 file changed, 8 insertions(+)