Deprecated GTK Function Replacements

[Ethan Blanton]

Ethan Blanton spake unto us the following wisdom:
> 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.

Actually, let me qualify that -- I think this should be
pidgin_label_set_alignment, not gtk_label_set_alignment.  But that's a
small detail.

Ethan