[gnome-control-center] printers: Add missing definition of HAVE_CUPS_1_6

[Bastien Nocera <hadess src gnome org>]

commit 49797e8ae2753bacc74b86cd28be250ff93a62cc
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Wed Sep 5 19:34:19 2012 +0200

    printers: Add missing definition of HAVE_CUPS_1_6
    
    Commit 1532d7ef forgot to actually define HAVE_CUPS_1_6
    when building against CUPS 1.6
    
    https://bugzilla.gnome.org/show_bug.cgi?id=683441

 panels/printers/pp-maintenance-command.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/panels/printers/pp-maintenance-command.c b/panels/printers/pp-maintenance-command.c
index e2a831b..0966945 100644
--- a/panels/printers/pp-maintenance-command.c
+++ b/panels/printers/pp-maintenance-command.c
@@ -25,6 +25,10 @@
 
 #include "pp-utils.h"
 
+#if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5)
+#define HAVE_CUPS_1_6 1
+#endif
+
 #ifndef HAVE_CUPS_1_6
 #define ippGetCount(attr)     attr->num_values
 #define ippGetValueTag(attr)  attr->value_tag