cfdisk: fix compile-time error fixes #59

+ For compile to work also needs pull request #56 applied
Merge branch 'fix-compile-color-cfdisk' of https://github.com/theonewolf/util-linux

* 'fix-compile-color-cfdisk' of https://github.com/theonewolf/util-linux:
  cfdisk: fix compile-time error fixes #59