[Bug libstdc++/54025] atomic won't compile: chrono::duration::duration() is not C++11 compliant

[chip at pobox dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54025

--- Comment #1 from Chip Salzenberg <chip at pobox dot com> 2012-07-19 02:56:57 
UTC ---
Created attachment 27829
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27829
patch to duration default ctor