[gtk+] Fix rendering glitch in menu radiobuttons

[Carlos Garnacho <carlosg src gnome org>]

commit b7caeb7adbf9dc14cf3ce6733d100eb35c5d381c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jan 12 20:29:08 2011 +0100

    Fix rendering glitch in menu radiobuttons
    
    The arcs needed a new subpath.

 gtk/gtkthemingengine.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c
index 4dc889c..ac1a462 100644
--- a/gtk/gtkthemingengine.c
+++ b/gtk/gtkthemingengine.c
@@ -1211,6 +1211,8 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine,
   if (border_style == GTK_BORDER_STYLE_SOLID)
     {
       cairo_set_line_width (cr, border_width);
+
+      cairo_new_sub_path (cr);
       cairo_arc (cr,
 		 x + exterior_size / 2.,
 		 y + exterior_size / 2.,
@@ -1266,6 +1268,7 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine,
 	  pad = MAX (0, (exterior_size - interior_size) / 2);
 	}
 
+      cairo_new_sub_path (cr);
       cairo_arc (cr,
 		 x + pad + interior_size / 2.,
 		 y + pad + interior_size / 2.,