[sapwood] remove an unnecessary call to clear the mask

[Sven Herzberg <herzi src gnome org>]

commit 34f1d4a16e0a3a51fc44b334cdbf5e618b67a129
Author: Sven Herzberg <herzi gnome-de org>
Date:   Fri Aug 13 13:16:46 2010 +0200

    remove an unnecessary call to clear the mask
    
    * engine/sapwood-pixmap.c: remove unnecessary clearing of the mask

 engine/sapwood-pixmap.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/engine/sapwood-pixmap.c b/engine/sapwood-pixmap.c
index 8c4f78b..1be6120 100644
--- a/engine/sapwood-pixmap.c
+++ b/engine/sapwood-pixmap.c
@@ -517,9 +517,6 @@ sapwood_pixmap_render_rects (SapwoodPixmap* self,
       GdkPixmap* tmp_mask = gdk_pixmap_new (NULL, tmp_width, tmp_height, 1);
       cairo_t* mask_cr = gdk_cairo_create (tmp_mask);
 
-      cairo_set_operator (mask_cr, CAIRO_OPERATOR_CLEAR);
-      cairo_paint (mask_cr);
-
       mask_surface = cairo_surface_reference (cairo_get_target (mask_cr));
       cairo_surface_set_user_data (mask_surface, &sapwood_pixmap_owner,
                                    tmp_mask, (GFreeFunc) g_object_unref);