Merge branch 'lsfd--minor-fixes' of https://github.com/masatake/util-linux

* 'lsfd--minor-fixes' of https://github.com/masatake/util-linux:
  lsfd: avoid accessing an uninitialized value
  lsfd: finalize abst_class
  lsfd,test_mkfds: (refactor) specify the variable itself as an operand of sizeof
  tests: (test_mkfds) add a missing word in a comment