Merged revisions 82853-82854 via svnmerge from

Merged revisions 82853-82854 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/release27-maint

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  r82853 | stefan.krah | 2010-07-13 21:17:08 +0200 (Tue, 13 Jul 2010) | 4 lines

  Issue #9185: On Solaris and OpenBSD, posix_getcwd() could loop indefinitely
  if the path length exceeded PATH_MAX.
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  r82854 | stefan.krah | 2010-07-13 21:40:00 +0200 (Tue, 13 Jul 2010) | 3 lines

  Remove PYOS_OS2 special cases from the Solaris/OpenBSD section.
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