[caribou] Be compatible with pygobject from before and after the fix for bug #676746.

[Alejandro PiÃeiro Iglesias <apinheiro src gnome org>]

commit de4b50c30b7383be7604f71db42c6db8409a5dcd
Author: Marien Zwart <marien zwart gmail com>
Date:   Mon Sep 3 11:58:01 2012 +0200

    Be compatible with pygobject from before and after the fix for bug #676746.

 tools/make_schema.py |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/tools/make_schema.py b/tools/make_schema.py
index c75d34c..cd255d6 100755
--- a/tools/make_schema.py
+++ b/tools/make_schema.py
@@ -56,9 +56,11 @@ class SchemasMaker:
             key.setAttribute('name', setting.gsettings_key)
             key.setAttribute('type', setting.variant_type)
             schemalist.appendChild(key)
+            printfunc = getattr(setting.gvariant, 'print_', None)
+            if printfunc is None:
+                printfunc = getattr(setting.gvariant, 'print')
             self._append_children_element_value_pairs(
-                doc, key, [('default',
-                            getattr(setting.gvariant, "print_")(False)),
+                doc, key, [('default', printfunc(False)),
                            ('_summary', setting.short_desc),
                            ('_description', setting.long_desc)])