[aisleriot] Fix debugging code

[Christian Persch <chpe src gnome org>]

commit 7a2c12bfdf4394071419f927d4af0b4da0ab393c
Author: Christian Persch <chpe gnome org>
Date:   Tue Apr 19 14:07:58 2011 +0200

    Fix debugging code

 src/board-noclutter.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/src/board-noclutter.c b/src/board-noclutter.c
index 0727226..d26010d 100644
--- a/src/board-noclutter.c
+++ b/src/board-noclutter.c
@@ -2934,18 +2934,17 @@ aisleriot_board_draw (GtkWidget *widget,
 #endif /* OPTIMISED_EXPOSE */
 
 #if 0 && defined(OPTIMISED_EXPOSE)
-  {
+  if (region) {
     int n_rects;
 
     n_rects = cairo_region_num_rectangles (region);
 
-    g_print ("Exposing area %d:%d@(%d,%d) ", event->area.width, event->area.height,
-             event->area.x, event->area.y);
+    g_printerr ("Exposing region ");
     for (i = 0; i < n_rects; ++i) {
       cairo_rectangle_int_t rect;
 
       cairo_region_get_rectangle (region, i, &rect);
-      g_print ("[Rect %d:%d@(%d,%d)] ", rect.width, rect.height, rect.x, rect.y);
+      g_printerr ("[Rect %d:%d@(%d,%d)] ", rect.width, rect.height, rect.x, rect.y);
     }
     g_print ("\n");
   }