checkmk: change POSIX bracket expressions to be compatible with GNU/Hurd
checkmk: change POSIX bracket expressions to be compatible with GNU/Hurd

The version of mawk included in Hurd is quite old (at least 8 years)
and did not support the bracket extensions previously used.

git-svn-id: d023f1085a36f7a677188d00334e37d38ffecf51@924 64e312b2-a51f-0410-8e61-82d0ca0eb02a

9fcc/check,krichter722/check,libcheck/check,9fcc/check,brarcher/check,brarcher/check,krichter722/check,brarcher/check,brarcher/check,krichter722/check,9fcc/check,9fcc/check,libcheck/check,krichter722/check,krichter722/check,libcheck/check,libcheck/check,9fcc/check,libcheck/check,brarcher/check