fix for issue-001

kevin@billy:~/GitHub/Module-Install$ perlver . --blame

 ------------------------------------------------------------
 File    : t/10_test.t
 Line    : 36
 Char    : 6
 Rule    : _mkdir_1_arg
 Version : 5.006
 ------------------------------------------------------------
 mkdir
 ------------------------------------------------------------
Merge pull request #3 from kevindawson/issues-001

fix for issue-001