[gnome-settings-daemon] wacom: Fix compile-time warning

[Bastien Nocera <hadess src gnome org>]

commit 0e6bbd5abc6211fab9bb53a8c3b64aa01a4dcabc
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jan 7 09:43:50 2013 +0100

    wacom: Fix compile-time warning
    
    rsvg_handle_render_cairo() lives in rsvg-cairo.h

 plugins/wacom/gsd-wacom-osd-window.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/wacom/gsd-wacom-osd-window.c b/plugins/wacom/gsd-wacom-osd-window.c
index 9055251..22a0f7a 100644
--- a/plugins/wacom/gsd-wacom-osd-window.c
+++ b/plugins/wacom/gsd-wacom-osd-window.c
@@ -27,6 +27,7 @@
 #include <gtk/gtk.h>
 #include <cairo.h>
 #include <librsvg/rsvg.h>
+#include <librsvg/rsvg-cairo.h>
 
 #include "gsd-wacom-osd-window.h"
 #include "gsd-wacom-device.h"