Merge branch 'clang' of https://github.com/neheb/util-linux

* 'clang' of https://github.com/neheb/util-linux:
  [clang-tidy] fix misleading identation
  [clang-tidy] use ceil
  [clang-tidy] fix wrong *cmp usage
  [clang-tidy] do not use else after return
  [clang-tidy] do not return in void functions
  [clang-tidy] fix mismatching declarations