Fix up Swedish translation for recent po changes

Minimal fixups just to make things happier. Fredrik will hopefully
double-check and fix this up further, but at least we have *some* string
for the planning warning etc.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>