[nautilus] sidebar: don't forget to NULL slot pointer after volume is mounted

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9b0f510e6b62e9173086d380e45bf7cc6d4326f3
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Thu Jun 7 09:47:06 2012 -0400

    sidebar: don't forget to NULL slot pointer after volume is mounted
    
    Or we will hit an assertion when trying to mount another volume later.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=677611

 src/nautilus-places-sidebar.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-places-sidebar.c b/src/nautilus-places-sidebar.c
index d94ed5a..04fe101 100644
--- a/src/nautilus-places-sidebar.c
+++ b/src/nautilus-places-sidebar.c
@@ -1806,6 +1806,7 @@ volume_mounted_cb (GVolume *volume,
 	if (sidebar->go_to_after_mount_slot) {
 		g_object_remove_weak_pointer (G_OBJECT (sidebar->go_to_after_mount_slot),
 					      (gpointer *) &sidebar->go_to_after_mount_slot);
+		sidebar->go_to_after_mount_slot = NULL;
 	}
 }