[gitg] Do not use null repository in remote manager

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

commit 216f76a05158196feed26b8f4a61d35417b1e7bd
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Mar 15 10:17:18 2015 +0100

    Do not use null repository in remote manager

 gitg/gitg-remote-manager.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gitg/gitg-remote-manager.vala b/gitg/gitg-remote-manager.vala
index d4b0e93..0132503 100644
--- a/gitg/gitg-remote-manager.vala
+++ b/gitg/gitg-remote-manager.vala
@@ -62,6 +62,11 @@ class RemoteManager : Object, GitgExt.RemoteLookup
                d_insteadof = new InsteadOf[10];
                d_insteadof.length = 0;
 
+               if (d_window.repository == null)
+               {
+                       return;
+               }
+
                Ggit.Config config;
 
                try