[gtk+/gtk-style-context] GtkThemingEngine: don't overshoot when rendering frames.

[Carlos Garnacho <carlosg src gnome org>]

commit d6dfc6b061a9400b74e09363ff0edacb93a08a00
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Nov 24 01:16:15 2010 +0100

    GtkThemingEngine: don't overshoot when rendering frames.

 gtk/gtkthemingengine.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c
index c3e1924..2fac0ba 100644
--- a/gtk/gtkthemingengine.c
+++ b/gtk/gtkthemingengine.c
@@ -1620,7 +1620,7 @@ render_frame_internal (GtkThemingEngine *engine,
       if (border_width > 1)
         {
           d1 = (gdouble) border_width / 2;
-          d2 = (gdouble) (border_width - (gint) d1) + 1;
+          d2 = border_width;
         }
       else
         {