[evolution] Typo in tree_autoscroll().

[Matthew Barnes <mbarnes src gnome org>]

commit 83b264bc20f7b6ef2068e31b1d53ac2c51f32cd5
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Aug 10 19:51:44 2010 -0400

    Typo in tree_autoscroll().

 mail/em-folder-tree.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index d7bbcb7..5464088 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -2106,7 +2106,7 @@ tree_autoscroll (EMFolderTree *folder_tree)
 	adjustment = gtk_tree_view_get_vadjustment (tree_view);
 
 	page_size = gtk_adjustment_get_value (adjustment);
-	upper = gtk_adjustment_get_value (adjustment);
+	upper = gtk_adjustment_get_upper (adjustment);
 	value = gtk_adjustment_get_value (adjustment);
 
 	value = CLAMP (value + offset, 0.0, upper - page_size);