config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit to match the system compiler's configuration at...

2009-09-11  Loren J. Rittle  <ljrittle@acm.org>

	* config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
	to match the system compiler's configuration at inflection point.
	Add comment to remark a remaining difference with system compiler.

From-SVN: r151636