Eric Botcazou  <ebotcazou@libertysurf.fr>

	* include/ext/mt_allocator.h
	(__per_type_pool<...true>::_S_initialize_once): Always call
	_M_initialize_once.
	(__common_pool<...true>::_S_initialize_once): Same.

Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>

From-SVN: r104678