The release process creates full Subsurface trees under tmp. Don't pick
those up when looking for source strings.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Not sure when it started doing that - we don't want those in our
translations, I believe.
Also, we appear to suddenly get problems with too many numerus lines
unless the existing translation is deleted, first. Very strange.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
