New icons for the sticky / face select state in the UV editor / Image Window.

The png file containing the icons, 'blenderbuttons', was updated to contain
these new icons. It now also contains the icons from the 2.30 ui makeover.
The file had not been updated since then.

source/blender/include/BIF_resources.h

@@ -107,9 +107,9 @@ typedef enum {
 	ICON_AXIS_SIDE,
 	ICON_AXIS_FRONT,
 	ICON_AXIS_TOP,
-	ICON_BLANK14,
-	ICON_BLANK15,
-	ICON_BLANK16,
+	ICON_DRAW_UVFACES,
+	ICON_STICKY_UVS,
+	ICON_STICKY2_UVS,
 	ICON_BLANK17,
 	ICON_BLANK18,
 	ICON_ENVMAP,