String freeze break request for 1 string for Orca

[Joanmarie Diggs <jdiggs igalia com>]

Hey all.

As many of you know, during the 3.15/16 release cycle I added quite a
few mathematical symbols to Orca for translation because they were not
being spoken at all by eSpeak (and I'd bet other speech synthesizers as
well). This made reading advanced technical content pretty much
impossible. But I didn't want to mark all possible symbols for
translation because there is an insane number of them. So for the ones
that seemed less likely to be encountered, I added code to grab the
unicode symbol name. The idea being that English is better than silence,
and it would make it easy to find out which symbols actual users are
actually coming across -- which I'd then mark for translation in the
unstable branch.

Unfortunately, it turns out that one of the symbols not marked last
cycle is commonly used as a bullet in web content, and Orca 3.16 users
are finding it in all its unlocalized glory thanks to the fallback code.
:( (In 3.14 it wasn't being spoken.) It has now been marked for
translation in master. The question is what to do for 3.16? I can either
cause that symbol to not be spoken, or I can mark it for translation.
I'm requesting the latter, but I'm fine with the former.

The commit to master can be found here [1]. The string is:

# Translators: this is the spoken representation for the character '◾' 
(U+25fe)
_shapes['\u25fe'] = _("black medium small square")

Sorry for the inconvenience, and thanks either way.
--joanie

[1] https://git.gnome.org/browse/orca/commit/?id=5b784450