2012-06-18  Jörg Sonnenberger <joerg@britannica.bec.de>
	    Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/53678
	* config/os/bsd/netbsd/ctype_base.h: Check for _CTYPE_U.
	* testsuite/22_locale/ctype_base/53678.cc: New.

Co-Authored-By: Jonathan Wakely <jwakely.gcc@gmail.com>

From-SVN: r188755