[gtk+] Plug a memory leak in the css parser

[Matthias Clasen <matthiasc src gnome org>]

commit dbbb9c8f8f432e92ac5c9cceabe953f37dec031b
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 16 23:30:57 2013 -0400

    Plug a memory leak in the css parser
    
    color_value_parse was leaking a GtkCssSymbolicValue.
    Reported in
    
    https://bugzilla.gnome.org/show_bug.cgi?id=702034

 gtk/gtkcssstylefuncs.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkcssstylefuncs.c b/gtk/gtkcssstylefuncs.c
index 3a5e10c..426d3ee 100644
--- a/gtk/gtkcssstylefuncs.c
+++ b/gtk/gtkcssstylefuncs.c
@@ -256,7 +256,7 @@ rgba_value_compute (GtkStyleProviderPrivate *provider,
   G_GNUC_END_IGNORE_DEPRECATIONS;
 }
 
-static gboolean 
+static gboolean
 color_value_parse (GtkCssParser *parser,
                    GValue       *value)
 {
@@ -278,6 +278,7 @@ color_value_parse (GtkCssParser *parser,
       color.blue = rgba.blue * 65535. + 0.5;
 
       g_value_set_boxed (value, &color);
+      gtk_symbolic_color_unref (symbolic);
     }
   else
     {