[librsvg/rustification] Remove superfluous cairo_save()/cairo_restore()

[Federico Mena Quintero <federico src gnome org>]

commit d29eb93a79a3b6787e61d5db4a7dd422c70f1de5
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Dec 2 10:24:24 2016 -0600

    Remove superfluous cairo_save()/cairo_restore()
    
    We create a new cairo_t explicitly for get_foo_sub() and destroy
    it when we are done; there is no need to keep the cairo_t pristine for
    another place.

 rsvg-base.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/rsvg-base.c b/rsvg-base.c
index 439f438..625b9b8 100644
--- a/rsvg-base.c
+++ b/rsvg-base.c
@@ -1580,12 +1580,10 @@ rsvg_handle_get_dimensions_sub (RsvgHandle * handle, RsvgDimensionData * dimensi
         }
 
         rsvg_state_push (draw);
-        cairo_save (cr);
 
         rsvg_node_draw (handle->priv->treebase, draw, 0);
         bbox = RSVG_CAIRO_RENDER (draw->render)->bbox;
 
-        cairo_restore (cr);
         rsvg_state_pop (draw);
         rsvg_drawing_ctx_free (draw);
         cairo_destroy (cr);
@@ -1677,12 +1675,10 @@ rsvg_handle_get_position_sub (RsvgHandle * handle, RsvgPositionData * position_d
     }
 
     rsvg_state_push (draw);
-    cairo_save (cr);
 
     rsvg_node_draw (handle->priv->treebase, draw, 0);
     bbox = RSVG_CAIRO_RENDER (draw->render)->bbox;
 
-    cairo_restore (cr);
     rsvg_state_pop (draw);
     rsvg_drawing_ctx_free (draw);