[committed] regex: fix uninitialized memory access

[Carlos O'Donell]

On 08/28/2018 01:01 PM, Paul Eggert wrote:
> Florian Weimer wrote:
>> This bug affects glibc after all.  I'm attaching a test which I
>> want to commit to master and backport to 2.28, along with the fix.
> 
> Thanks for doing all that work! The test is good for master. I favor
> backporting to 2.28 as well, if it's not too much trouble.

+1

Good catch Florian.

-- 
Cheers,
Carlos.