packaging: setup: database: fix create language

condition should compare to 0 and not nothing.

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1066459
Change-Id: I19248410c43b1916c32a89dd3595a667b035a715
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>