Merge branch 'fixes' of https://github.com/t-8ch/util-linux

* 'fixes' of https://github.com/t-8ch/util-linux:
  build: use -std=c99 and -std=c++11 by default
  coverage.h: mark _exit as noreturn
  lsfd: switch to c99-conformant alignment specification
  blkdev.h: avoid some unused argument warnings
  m4: update pkg.m4
  include/c.h: implement reallocarray
  libblkid: avoid use of non-standard typeof()
  meson: bump required version to 0.60.0