[gobject-introspection] [scanner] Don't crash if we don't have a ctype in array element types

[Tomeu Vizoso <tomeuv src gnome org>]

commit 313fc70cee983220b7580010062d19aed71a6ab0
Author: Tomeu Vizoso <tomeu vizoso collabora co uk>
Date:   Fri Jan 21 15:32:52 2011 +0100

    [scanner] Don't crash if we don't have a ctype in array element types

 giscanner/maintransformer.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/maintransformer.py b/giscanner/maintransformer.py
index ee94554..8520dd8 100644
--- a/giscanner/maintransformer.py
+++ b/giscanner/maintransformer.py
@@ -326,7 +326,8 @@ usage is void (*_gtk_reserved1)(void);"""
             # and no (element-type) means array of Foo
             element_type_node = node.type.clone()
             # The element's ctype is the array's dereferenced
-            if element_type_node.ctype.endswith('*'):
+            if element_type_node.ctype is not None and \
+                    element_type_node.ctype.endswith('*'):
                 element_type_node.ctype = element_type_node.ctype[:-1]
 
         if isinstance(node.type, ast.Array):