gnucash-docs maint: Update PACKAGE_URL of configure.ac

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/bb09fb04 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/47e0514d (commit)



commit bb09fb047f144bb778a817a87e5d75f22b733ad7
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sun Apr 25 17:32:55 2021 +0200

    Update PACKAGE_URL of configure.ac



Summary of changes:
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)