[mutter] clutter: Use non-deprecated pixel reading function when picking

[Jonas Ådahl <jadahl src gnome org>]

commit fb6b0de48b2487bb4a04cba27007d6ac9e0879fa
Author: Jonas Ådahl <jadahl gmail com>
Date:   Fri Sep 9 18:03:37 2016 +0800

    clutter: Use non-deprecated pixel reading function when picking
    
    This wont fix anything, it just one small step away from using
    deprecated cogl functions.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770672

 clutter/clutter/clutter-stage.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 1f0c3f8..aec68e7 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -1456,10 +1456,10 @@ _clutter_stage_do_pick_on_view (ClutterStage     *stage,
      used. The format is requested as pre-multiplied because Cogl
      assumes that all pixels in the framebuffer are premultiplied so
      it avoids a conversion. */
-  cogl_read_pixels (read_x, read_y, 1, 1,
-                    COGL_READ_PIXELS_COLOR_BUFFER,
-                    COGL_PIXEL_FORMAT_RGBA_8888_PRE,
-                    pixel);
+  cogl_framebuffer_read_pixels (fb,
+                                read_x, read_y, 1, 1,
+                                COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                pixel);
 
   if (G_UNLIKELY (clutter_pick_debug_flags & CLUTTER_DEBUG_DUMP_PICK_BUFFERS))
     {