Port the testcase to FreeBSD

- Make #include path to h_macros.h a non-relative path
- __gl_stat_t is synonymous with struct stat on FreeBSD
- FreeBSD doesn't have _DIRENT_RECLEN
- Skip over glob_star on FreeBSD (testcase doesn't pass)

In collaboration with: pho
Sponsored by: EMC / Isilon Storage Division


git-svn-id: svn+ssh://svn.freebsd.org/base/head@272915 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f