Bug 24053: Typo in FinePaymentAutoPopup description

Bug 24053: Typo in FinePaymentAutoPopup description

There is a typo in the FinePaymentAutoPopup system preference description.
This patch fixes that.

To test:
1) Go to the systems preferences in administration.
2) Search for FinePaymentAutoPopup
3) Observe .. at the end of the preference description.
4) Apply the patch
5) Repeat steaps 1-2
6) Ovserve correct punctuation at the end of the preference description.

Signed-off-by: Séverine QUEUNE <severine.queune@bulac.fr>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>