[evolution] Avoid gtk_tree_view_get_vadjustment().

[Matthew Barnes <mbarnes src gnome org>]

commit 953c9d8adff83f0fe6e605c4ce54b306572be046
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Nov 28 20:20:10 2012 -0500

    Avoid gtk_tree_view_get_vadjustment().
    
    Use gtk_scrollable_get_vadjustment() instead.

 calendar/gui/e-meeting-time-sel.c |    6 +++---
 mail/em-folder-tree.c             |    4 +++-
 2 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/calendar/gui/e-meeting-time-sel.c b/calendar/gui/e-meeting-time-sel.c
index 3747a7b..44f4f65 100644
--- a/calendar/gui/e-meeting-time-sel.c
+++ b/calendar/gui/e-meeting-time-sel.c
@@ -1343,11 +1343,11 @@ e_meeting_time_selector_vadjustment_changed (GtkAdjustment *adjustment,
                                              EMeetingTimeSelector *mts)
 {
 	GtkAdjustment *vadjustment;
-	GtkTreeView *tree_view;
+	GtkScrollable *scrollable;
 	gdouble value;
 
-	tree_view = GTK_TREE_VIEW (mts->list_view);
-	vadjustment = gtk_tree_view_get_vadjustment (tree_view);
+	scrollable = GTK_SCROLLABLE (mts->list_view);
+	vadjustment = gtk_scrollable_get_vadjustment (scrollable);
 
 	value = gtk_adjustment_get_value (adjustment);
 	gtk_adjustment_set_value (vadjustment, value);
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index 8061356..4226d56 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -2651,6 +2651,7 @@ tree_autoscroll (EMFolderTree *folder_tree)
 {
 	GtkAdjustment *adjustment;
 	GtkTreeView *tree_view;
+	GtkScrollable *scrollable;
 	GdkRectangle rect;
 	GdkWindow *window;
 	gdouble value;
@@ -2677,7 +2678,8 @@ tree_autoscroll (EMFolderTree *folder_tree)
 			return TRUE;
 	}
 
-	adjustment = gtk_tree_view_get_vadjustment (tree_view);
+	scrollable = GTK_SCROLLABLE (folder_tree);
+	adjustment = gtk_scrollable_get_vadjustment (scrollable);
 	value = gtk_adjustment_get_value (adjustment);
 	gtk_adjustment_set_value (adjustment, MAX (value + offset, 0.0));