[gitg] Do not process diff lines for binary deltas

[Jesse van den Kieboom <jessevdk src gnome org>]

commit e4efaf5cf2da8f4ab141c76195144b4731cf1488
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Sun Oct 28 22:54:08 2012 +0100

    Do not process diff lines for binary deltas

 libgitg-gtk/gitg-gtk-diff-view-request-diff.vala |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/libgitg-gtk/gitg-gtk-diff-view-request-diff.vala b/libgitg-gtk/gitg-gtk-diff-view-request-diff.vala
index 4f871e9..5aa2ead 100644
--- a/libgitg-gtk/gitg-gtk-diff-view-request-diff.vala
+++ b/libgitg-gtk/gitg-gtk-diff-view-request-diff.vala
@@ -236,7 +236,11 @@ namespace GitgGtk
 						return 1;
 					}
 
-					line_cb(builder, delta, range, line_type, ((string)content).substring(0, content.length));
+					if (delta.get_binary() != 1)
+					{
+						line_cb(builder, delta, range, line_type, ((string)content).substring(0, content.length));
+					}
+
 					return 0;
 				}
 			);