lock_error, once_flag: Remove empty directories.

2008-06-11  Matthias Klose  <doko@ubuntu.com>

        * testsuite/30_threads/lock_error, testsuite/30_threads/once_flag:
        Remove empty directories.

From-SVN: r136671

libstdc++-v3/ChangeLog

+2008-06-11  Matthias Klose  <doko@ubuntu.com>
+
+	* testsuite/30_threads/lock_error, testsuite/30_threads/once_flag:
+	Remove empty directories.
+
 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
 
 	* configure.host (xscale, ep9312, m680[246]0, solaris2.5,