[evolution] Bug #572960 - Ignore and drop invalid signatures on load

[Milan Crha <mcrha src gnome org>]

commit d24e00ab2f382b79c9404e10e9ddc0bad1dc5587
Author: Milan Crha <mcrha redhat com>
Date:   Thu Sep 10 20:44:55 2009 +0200

    Bug #572960 - Ignore and drop invalid signatures on load

 e-util/e-signature-list.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/e-util/e-signature-list.c b/e-util/e-signature-list.c
index 3fd4f8a..34b45be 100644
--- a/e-util/e-signature-list.c
+++ b/e-util/e-signature-list.c
@@ -204,13 +204,16 @@ gconf_signatures_changed (GConfClient *client, guint cnxn_id, GConfEntry *entry,
 		}
 
 		if (!found) {
+			resave = TRUE;
+
 			/* Must be a new signature */
 			signature = e_signature_new_from_xml (l->data);
-			have_autogen |= e_signature_get_autogenerated (signature);
-			resave = TRUE;
+			if (signature) {
+				have_autogen |= e_signature_get_autogenerated (signature);
 
-			e_list_append (E_LIST (signature_list), signature);
-			new_sigs = g_slist_prepend (new_sigs, signature);
+				e_list_append (E_LIST (signature_list), signature);
+				new_sigs = g_slist_prepend (new_sigs, signature);
+			}
 		}
 
 		g_free (uid);