[gitg] Chain up button_press_event

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

commit 0958055c999af51bf302287125608d4aaaaa008d
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Mon Jul 21 12:35:06 2014 +0300

    Chain up button_press_event

 libgitg/gitg-repository-list-box.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgitg/gitg-repository-list-box.vala b/libgitg/gitg-repository-list-box.vala
index af61862..c8d9a4d 100644
--- a/libgitg/gitg-repository-list-box.vala
+++ b/libgitg/gitg-repository-list-box.vala
@@ -204,7 +204,7 @@ namespace Gitg
                                return true;
                        }
 
-                       return false;
+                       return base.button_press_event(event);
                }
 
                protected override void row_activated(Gtk.ListBoxRow row)