[libgnomeprint] Add missing include

[Vincent Untz <vuntz src gnome org>]

commit 9b82b7e75b83395e7c5692085e1934202cf7f65f
Author: Jeremy Huddleston <jeremyhu freedesktop org>
Date:   Wed Oct 12 17:08:59 2011 +0200

    Add missing include
    
    https://bugzilla.gnome.org/show_bug.cgi?id=653388

 .../modules/cups/gnome-print-cups-transport.c      |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgnomeprint/modules/cups/gnome-print-cups-transport.c b/libgnomeprint/modules/cups/gnome-print-cups-transport.c
index aeb7111..85de91b 100644
--- a/libgnomeprint/modules/cups/gnome-print-cups-transport.c
+++ b/libgnomeprint/modules/cups/gnome-print-cups-transport.c
@@ -34,6 +34,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <stdio.h>
 #include <unistd.h>
 #include <locale.h>