[PATCH] glibc/manual/examples: add missing free to open_memstream example

[Arjun Shankar]

> > We should fix it because:
> > a) nobody will file a bug for the unnecessary free in an example, but someone will surely
> > file a bug or send a patch again to add the free;

And in fact, there is actually already a bug filed for this:
https://sourceware.org/bugzilla/show_bug.cgi?id=27866

Ravina's patch is coming out of an in-person workshop I ran a few days
ago in Brno to try and get first-time contributors into glibc.

> > b) examples are supposed to be exemplar and form part of larger
> > programs.
>
> I agree with Sam.
>
> Ravina, would you resend please with the formatting issue fixed?

Ravina, while you do a v2, would you also please make a minor change
to the commit subject?: 1. Drop the "glibc/" from the commit subject
line, and 2. Add the bug reference. So:

"manual: Add missing free to open_memstream example [BZ #27866]"

Thanks!

-- 
Arjun Shankar
he/him/his