Add missing else so that Concatanation of two buffers work. Noticed by  robert@ while diagnosing a problem report by Johan Lindman. ok weingart@
Add missing else so that Concatanation of two buffers work.
Noticed by  robert@ while diagnosing a problem report by
Johan Lindman. ok weingart@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars