[gedit-plugins] textsize: add requires

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 53bb37704cb4d492ff7b89ae69fdc9b66d4f446a
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Fri Aug 14 09:31:49 2015 +0200

    textsize: add requires

 plugins/textsize/textsize/__init__.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/plugins/textsize/textsize/__init__.py b/plugins/textsize/textsize/__init__.py
index cd81bb1..377616d 100644
--- a/plugins/textsize/textsize/__init__.py
+++ b/plugins/textsize/textsize/__init__.py
@@ -22,6 +22,9 @@
 #  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 #  Boston, MA 02110-1301, USA.
 
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('Gedit', '3.0')
 from gi.repository import GObject, Gio, Gtk, Gdk, Gedit
 from .viewactivatable import TextSizeViewActivatable
 import gettext