[damned-lies] Show an horitzontal line between chunks of diff (fixes #685493)

[Gil Forcada Codinachs <gforcada src gnome org>]

commit ccf00a65328e5ea45bc52c4bd39d29320a19db50
Author: Gil Forcada <gforcada gnome org>
Date:   Thu Oct 4 23:28:35 2012 +0200

    Show an horitzontal line between chunks of diff (fixes #685493)

 common/static/css/difflib.css |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/common/static/css/difflib.css b/common/static/css/difflib.css
index 2b11886..2ebdc30 100644
--- a/common/static/css/difflib.css
+++ b/common/static/css/difflib.css
@@ -16,3 +16,9 @@ td.diff_header {
 .diff_add {background-color:#aaffaa}
 .diff_chg {background-color:#ffff77}
 .diff_sub {background-color:#ffaaaa}
+
+.diff tbody {
+	border-color: #ccc;
+	border-style: solid;
+	border-width: 2px 1px 0px;
+}