[Bug libstdc++/46455] resource leaks due to missing destructors for mutexes and condvars

[internet at 123gen dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46455

--- Comment #32 from Zouzou <internet at 123gen dot com> 2010-11-17 22:38:53 
UTC ---
(In reply to comment #31)
> Created attachment 22436 [details]
> add destructors in <ext/concurrence.h>
> a simpler version - could you test this on mingw?  thanks

great, compiles and fixes the resource leaks.