gnucash maint: Update description of gnc_gnome_help and gnc_launch_assoc

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/76015bd0 (commit)
	from  https://github.com/Gnucash/gnucash/commit/2522f08d (commit)



commit 76015bd0b6f74290a8a10874b0409d24b449d6e5
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Sat May 30 18:17:14 2020 +0200

    Update description of gnc_gnome_help and gnc_launch_assoc



Summary of changes:
 gnucash/gnome-utils/gnc-gnome-utils.h | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)