[gnome-control-center] printers: Include missing header

[Marek KaÅÃk <mkasik src gnome org>]

commit 1f76a739e3e0a79190b036fc890fdaac1a6b8c16
Author: Marek Kasik <mkasik redhat com>
Date:   Mon Sep 3 19:11:28 2012 +0200

    printers: Include missing header
    
    <cups/cups.h> has to be included in pp-utils.h because there
    are functions in pp-utils.h which accepts types defined
    in the cups.h as their parameters. (#683229)

 panels/printers/pp-utils.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/printers/pp-utils.h b/panels/printers/pp-utils.h
index e2bc75dc..d19c5e1 100644
--- a/panels/printers/pp-utils.h
+++ b/panels/printers/pp-utils.h
@@ -22,6 +22,7 @@
 #define __PP_UTILS_H__
 
 #include <gtk/gtk.h>
+#include <cups/cups.h>
 
 G_BEGIN_DECLS