libgo patch committed: redirect mkrsysinfo.sh grep output to /dev/null

[Bernhard Reutner-Fischer]

On Fri, 28 Oct 2016 10:55:18 -0700
Ian Lance Taylor <iant@golang.org> wrote:

> This patch to libgo redirects the output of a grep command in
> mkrsysinfo.sh to /dev/null.  The output otherwise appears in the

grep -q exists since at least SUSv2, fwiw.
thanks,

> middle of a build log, where it is harmless but confusing.
> Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.  Committed
> to mainline.
> 
> Ian