[hitori] Remove deprecated use of GdkDrawable

[Philip Withnall <pwithnall src gnome org>]

commit 69d6afa1dc8c3617e14570f1ccbe1f620e423cfa
Author: Philip Withnall <philip tecnocode co uk>
Date:   Thu Dec 30 22:50:22 2010 +0000

    Remove deprecated use of GdkDrawable

 src/interface.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/interface.c b/src/interface.c
index 957da95..506936b 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -388,7 +388,7 @@ hitori_update_hint (Hitori *hitori)
 	cell_size = board_width / hitori->board_size;
 
 	/* Centre the board */
-	cr = gdk_cairo_create (GDK_DRAWABLE (gtk_widget_get_window (hitori->drawing_area)));
+	cr = gdk_cairo_create (gtk_widget_get_window (hitori->drawing_area));
 	cairo_save (cr);
 
 	hitori->drawing_area_x_offset = (area_width - board_width) / 2;