seems there is no good reasons to not generate bindings for XPointer

* python/generator.py: seems there is no good reasons to
  not generate bindings for XPointer
Daniel
diff --git a/python/generator.py b/python/generator.py
index 20e89b7..3af74bc 100755
--- a/python/generator.py
+++ b/python/generator.py
@@ -185,7 +185,7 @@
     'hash': None,
     'list': None,
     'threads': None,
-    'xpointer': None,
+#    'xpointer': None,
 }
 skipped_types = {
     'int *': "usually a return type",