cssshadow: plug a cairo_surface_t leak

We were never destroying the cairo surface we use for blurring, which
would lead to a huge leak.

https://bugzilla.gnome.org/show_bug.cgi?id=686209

diff --git a/gtk/gtkcssshadowvalue.c b/gtk/gtkcssshadowvalue.c
index be215972adf0eb029e756fa1706f71bad34a4eae..40dd3a024bbc53388234c40e079ae4be7ca643a3 100644 (file)
--- a/gtk/gtkcssshadowvalue.c
+++ b/gtk/gtkcssshadowvalue.c
@@ -363,6 +363,7 @@ gtk_css_shadow_value_finish_drawing (const GtkCssValue *shadow,
   cairo_paint (original_cr);
 
   cairo_destroy (cr);
+  cairo_surface_destroy (surface);
 
   return original_cr;
 }