[gtk+/wip/colorchooser-v2] Fix the build

[Matthias Clasen <matthiasc src gnome org>]

commit e714fa483e5c7078dcbf8ec2a28fc095cb1bf7fd
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Feb 8 19:06:14 2012 -0500

    Fix the build
    
    A G_BEGIN_DECLS went missing here.

 gtk/gtkcolorutils.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorutils.h b/gtk/gtkcolorutils.h
index cef16b9..2bb1352 100644
--- a/gtk/gtkcolorutils.h
+++ b/gtk/gtkcolorutils.h
@@ -38,6 +38,8 @@
 
 #include <glib.h>
 
+G_BEGIN_DECLS
+
 void gtk_hsv_to_rgb (gdouble  h, gdouble  s, gdouble  v,
                      gdouble *r, gdouble *g, gdouble *b);
 void gtk_rgb_to_hsv (gdouble  r, gdouble  g, gdouble  b,