Optional update for btrfsprogs

This update for btrfsprogs doesn't bring any customer relevant bugfixes or features
with it, but only fixes an issue while building this package (bsc#1134458)
This update was imported from the SUSE:SLE-12-SP2:Update update project.

Fixed bugs
bnc#1134458
building snapper fails
Selected Binaries
openSUSE Build Service is sponsored by