TEST PLAN
---------
prove t/db_dependent/Letters.t
-- there will be a message: "C4::Context->userenv not defined!"
apply this patch
prove t/db_dependent/Letters.t
-- there will no longer be that message.
run qa test tools
Signed-off-by: Lee Jamison <ldjamison@marywood.edu> Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org> Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>