[GTK] Include Pango in jhbuild-optional.modules
https://bugs.webkit.org/show_bug.cgi?id=113878

Patch by Manuel Rego Casasnovas <rego@igalia.com> on 2013-04-03
Reviewed by Martin Robinson.

Since r147547 Pango 1.32.0 is required. Including the module in the
JHBuild optional moduleset.

* gtk/jhbuild-optional.modules: Add Pango module.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147564 268f45cc-cd09-0410-ab3c-d52691b4dbfc