Deprecated GTK Function Replacements

[Ethan Blanton]

Michael McConville spake unto us the following wisdom:
> On Tue, Jul 07, 2015 at 07:49:38PM -0400, Michael McConville wrote:
> > I also just realized that I committed an incomplete version of the
> > patch.  :P  Using three different test machines is quite an experience.
> > 
> > Eion and I are discussing adding a GTK compat function to reduce the
> > amount of boilerplate. It sounds like a good idea to me. I'll check back
> > in when I have one committed.
> 
> 	https://hg.pidgin.im/soc/2015/mmcc/main/rev/9415ac64b6fa
> 
> I still need to test it with 3.16.x.

This looks much better to me.  I like it.

Ethan