[balsa] Drop redundant dynamic cast

[Peter Bloomfield <peterb src gnome org>]

commit cb64244dac7f60d52175d6b912fc5c1223eb8d2b
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Aug 12 16:43:58 2019 -0400

    Drop redundant dynamic cast
    
    * src/mailbox-node.c (balsa_mailbox_node_finalize):

 ChangeLog          | 6 ++++++
 src/mailbox-node.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/ChangeLog b/ChangeLog
index 344e63655..ff97a9823 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2019-08-12  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       Drop redundant dynamic cast
+
+       * src/mailbox-node.c (balsa_mailbox_node_finalize):
+
 2019-08-12  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Unref structure members in a dispose method
diff --git a/src/mailbox-node.c b/src/mailbox-node.c
index 9d97a2b5e..f68be9e84 100644
--- a/src/mailbox-node.c
+++ b/src/mailbox-node.c
@@ -186,7 +186,7 @@ balsa_mailbox_node_finalize(GObject * object)
        mn->server = NULL;
     }
 
-    G_OBJECT_CLASS(balsa_mailbox_node_parent_class)->finalize(G_OBJECT(object));
+    G_OBJECT_CLASS(balsa_mailbox_node_parent_class)->finalize(object);
 }
 
 static void