Comment # 1 on bug 978059 from Stefan Schubert

It is a dup. Fixed with yast2-boobloader:
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Mon May  2 10:24:17 CEST 2016 - schubi@suse.de

- Fixed nil in custom_devices. Compact! is returning nil if no
  changes were made.
  Removed empty reject, because it is not needed anymore.
  (bnc#977945)
- 3.1.179

*** This bug has been marked as a duplicate of bug 977945 ***