Ping^2 Re: Fix mcontext_t sigcontext namespace (bug 21457) [revised]

[Joseph Myers]

Ping^2.  This patch 
<https://sourceware.org/ml/libc-alpha/2017-08/msg00540.html> is still 
pending review (for alpha and ia64 at least).

-- 
Joseph S. Myers
joseph@codesourcery.com