[gtk+] expander: Use the right state when querying style properties

[Matthias Clasen <matthiasc src gnome org>]

commit 7085595c08fe38c1520e5a3e7f5d2adb7afa2b23
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 17 20:48:50 2015 -0500

    expander: Use the right state when querying style properties
    
    Failure to do so causes warnings.

 gtk/gtkexpander.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index 61aeab8..c75aafd 100644
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -578,7 +578,7 @@ get_padding_and_border (GtkWidget *widget,
   GtkBorder tmp;
 
   context = gtk_widget_get_style_context (widget);
-  state = gtk_widget_get_state_flags (widget);
+  state = gtk_style_context_get_state (context);
 
   gtk_style_context_get_padding (context, state, border);
   gtk_style_context_get_border (context, state, &tmp);