[gnome-documents] Add missing BR

[Cosimo Cecchi]

commit 3dca41eb3c12abe86d34172e78d97f8c749cb88e
Author: Cosimo Cecchi <cosimoc at gnome.org>
Date:   Thu Feb 7 09:17:23 2013 -0500

    Add missing BR

 gnome-documents.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gnome-documents.spec b/gnome-documents.spec
index 3291a3c..13458ec 100644
--- a/gnome-documents.spec
+++ b/gnome-documents.spec
@@ -21,6 +21,7 @@ BuildRequires:  desktop-file-utils
 BuildRequires:  clutter-gtk-devel
 BuildRequires:  gjs-devel
 BuildRequires:  libzapojit-devel
+BuildRequires:  webkitgtk3-devel
 
 %description
 gnome-documents is a document manager application for GNOME,