[librsvg/rustification] Remove superfluous term

[Federico Mena Quintero <federico src gnome org>]

commit 69789ced424d2a7c25b10ca11be2722c70e33987
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Nov 11 18:09:01 2016 -0600

    Remove superfluous term
    
    Here, bbox.x = bbox.y = 0, so we don't need to add them.

 rsvg-base.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/rsvg-base.c b/rsvg-base.c
index a91b12a..04b1df1 100644
--- a/rsvg-base.c
+++ b/rsvg-base.c
@@ -1466,10 +1466,9 @@ rsvg_handle_get_dimensions_sub (RsvgHandle * handle, RsvgDimensionData * dimensi
         bbox.rect.height = root->vbox.rect.height;
 
         dimension_data->width = (int) (_rsvg_css_hand_normalize_length (&root->w, handle->priv->dpi_x,
-                                       bbox.rect.width + bbox.rect.x * 2, 12) + 0.5);
+                                       bbox.rect.width, 12) + 0.5);
         dimension_data->height = (int) (_rsvg_css_hand_normalize_length (&root->h, handle->priv->dpi_y,
-                                         bbox.rect.height + bbox.rect.y * 2,
-                                         12) + 0.5);
+                                         bbox.rect.height, 12) + 0.5);
     }
 
     dimension_data->em = dimension_data->width;