[balsa] Check for NULL address-book

[Peter Bloomfield <PeterB src gnome org>]

commit f9cb822b311ee0f8c3ac04599b4f2f557675473f
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Thu Oct 8 08:27:20 2009 -0400

    Check for NULL address-book

 ChangeLog                 |    5 +++++
 src/address-book-config.c |    3 ++-
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index a09ce33..7bd6bca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-08  Peter Bloomfield
+
+	* src/address-book-config.c (edit_book_response): check for NULL
+	address-book.
+
 2009-10-01  Peter Bloomfield
 
 	* libbalsa/mailbox_mbox.c (lbm_mbox_prepare_object,
diff --git a/src/address-book-config.c b/src/address-book-config.c
index 3103978..0d86441 100644
--- a/src/address-book-config.c
+++ b/src/address-book-config.c
@@ -160,7 +160,8 @@ edit_book_response(GtkWidget * dialog, gint response,
     }
 
     gtk_widget_destroy(dialog);
-    g_object_set_data(G_OBJECT(abc->address_book), "balsa-abc", NULL);
+    if (abc->address_book)
+        g_object_set_data(G_OBJECT(abc->address_book), "balsa-abc", NULL);
     g_free(abc);
 }