[gitg/vala] Update diff view when constructed from selection

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

commit 89cff84667820951697282e2cf7a2bdef328978a
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Tue Jul 17 16:41:12 2012 +0200

    Update diff view when constructed from selection

 plugins/diff/gitg-diff.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plugins/diff/gitg-diff.vala b/plugins/diff/gitg-diff.vala
index 2f95cfa..832c04d 100644
--- a/plugins/diff/gitg-diff.vala
+++ b/plugins/diff/gitg-diff.vala
@@ -97,6 +97,8 @@ namespace GitgDiff
 
 					d_view = objsel;
 					d_view.selection_changed.connect(on_selection_changed);
+
+					on_selection_changed(objsel);
 				}
 
 				return d_sw;