Bug 13422 - SCO: "Would you like to print a receipt" not translatable

Bug 13422 - SCO: "Would you like to print a receipt" not translatable

To test:

Set syspref SelfCheckReceiptPrompt to "Show"
Select non English language
Go to Self Checkout and check out an item
Hit "Finish"
Make sure that confirm dialog "Would you like to print a receipt" still
appears

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
(cherry picked from commit dd6fbe04d12a50523c8d950422ef8182cdd1ba82)
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>