Merge branch 'some-fixes' of https://github.com/rudimeier/util-linux

* 'some-fixes' of https://github.com/rudimeier/util-linux:
  travis: minor cosmetics
  lib: style cosmetics plymouth-ctrl.c
  libmount: fix warning "set but not used"
  more: remove unused variable
  tests: split partx in root and non-root
  tests: fix and refactor partx