gnucash maint: Add short_labels for a few toolbar buttons with long names.

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/52380d11 (commit)
	from  https://github.com/Gnucash/gnucash/commit/d9bdf84d (commit)



commit 52380d11d277cbb96b88665e5f6e3cdfe199eddb
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Nov 7 18:20:58 2018 +0100

    Add short_labels for a few toolbar buttons with long names.
    
    That should fit a few more buttons on the toolbar.



Summary of changes:
 gnucash/gnome/gnc-plugin-page-invoice.c              | 1 +
 gnucash/report/report-gnome/gnc-plugin-page-report.c | 7 +++++++
 gnucash/ui/gnc-plugin-page-report-ui.xml             | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)