diff -ru gnome-games-2.6.2/gnometris/blockops.cpp /tmp/gnome-games-2.6.2/gnometris/blockops.cpp
--- gnome-games-2.6.2/gnometris/blockops.cpp	2003-05-31 20:01:34.000000000 -0700
+++ /tmp/gnome-games-2.6.2/gnometris/blockops.cpp	2004-08-14 03:14:13.863616496 -0700
@@ -33,7 +33,7 @@
   			"y", (double) y * BLOCK_SIZE,
 			"width", (double) BLOCK_SIZE,
 			"height", (double) BLOCK_SIZE,
-  			0);
+  			NULL);
 
 	return it;
 }
diff -ru gnome-games-2.6.2/gnometris/field.cpp /tmp/gnome-games-2.6.2/gnometris/field.cpp
--- gnome-games-2.6.2/gnometris/field.cpp	2002-05-04 09:43:54.000000000 -0700
+++ /tmp/gnome-games-2.6.2/gnometris/field.cpp	2004-08-14 03:13:43.052300528 -0700
@@ -56,7 +56,7 @@
   			"y", (double) 0,
 			"width", (double) COLUMNS * BLOCK_SIZE,
 			"height", (double) LINES * BLOCK_SIZE,
-  			0);
+  			NULL);
 		else
 			bg = gnome_canvas_item_new(
   			gnome_canvas_root(GNOME_CANVAS(w)),
@@ -68,5 +68,5 @@
 				"fill_color", "black",
 				"outline_color", "black",
 				"width_units", 1.0,
-  			0);
+  			NULL);
 }
diff -ru gnome-games-2.6.2/gnometris/tetris.cpp /tmp/gnome-games-2.6.2/gnometris/tetris.cpp
--- gnome-games-2.6.2/gnometris/tetris.cpp	2004-02-23 03:09:11.000000000 -0700
+++ /tmp/gnome-games-2.6.2/gnometris/tetris.cpp	2004-08-14 03:14:01.866440344 -0700
@@ -202,7 +202,7 @@
                                               "y", LINES*BLOCK_SIZE/2.0,
                                               "text", _("Paused"),
                                               "size_points", 36.0,
-                                              0
+                                              NULL
                                               );
 
 	/* Since gnome_canvas doesn't support setting the size of text in
@@ -230,7 +230,7 @@
                                                  "y", LINES*BLOCK_SIZE/2.0,
                                                  "text", _("Game Over"),
                                                  "size_points", 36.0,
-                                                 0
+                                                 NULL
                                                  );
 
 	gnome_canvas_item_get_bounds (gameoverMessage, &x1, &y1, &x2, &y2);