gnucash maint: Add src/plugins/example/gnc-plugin.example.c to POTFILES.skip

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash/commit/8812aae5 (commit)
	from  https://github.com/Gnucash/gnucash/commit/ab4010b3 (commit)



commit 8812aae5d57b34c548117bad5ee72b2cdda3800e
Author: fell <frank.h.ellenberger at gmail.com>
Date:   Tue Jan 30 02:07:06 2018 +0100

    Add src/plugins/example/gnc-plugin.example.c to POTFILES.skip



Summary of changes:
 po/POTFILES.skip | 3 +++
 1 file changed, 3 insertions(+)