[gnome-documents] view: add missing Gio import

[Cosimo Cecchi <cosimoc src gnome org>]

commit d0e0d8d1351167ff06f4d0621406ab30cda0f5fd
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Aug 19 10:19:38 2015 -0700

    view: add missing Gio import
    
    https://bugzilla.gnome.org/show_bug.cgi?id=753835

 src/view.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/view.js b/src/view.js
index 512e62f..7e7f617 100644
--- a/src/view.js
+++ b/src/view.js
@@ -23,6 +23,7 @@ const Cairo = imports.gi.cairo;
 const Gd = imports.gi.Gd;
 const Gdk = imports.gi.Gdk;
 const Gettext = imports.gettext;
+const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
 const GObject = imports.gi.GObject;
 const Gtk = imports.gi.Gtk;