[pygobject] cast params for PyObject_IsInstance to suppress warnings

[John Palmieri <johnp src gnome org>]

commit 24b920f9922e367bdb8b3e56c2f61e0c8f5cdb66
Author: John (J5) Palmieri <johnp redhat com>
Date:   Tue Sep 13 16:20:48 2011 -0400

    cast params for PyObject_IsInstance to suppress warnings

 gi/_gobject/pygobject-private.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gi/_gobject/pygobject-private.h b/gi/_gobject/pygobject-private.h
index 0166825..dabf0a4 100644
--- a/gi/_gobject/pygobject-private.h
+++ b/gi/_gobject/pygobject-private.h
@@ -184,7 +184,7 @@ typedef struct {
 
 extern PyTypeObject PyGFlags_Type;
 
-#define PyGFlags_Check(x) (PyObject_IsInstance(x, &PyGFlags_Type) && g_type_is_a(((PyGFlags*)x)->gtype, G_TYPE_FLAGS))
+#define PyGFlags_Check(x) (PyObject_IsInstance((PyObject *)x, (PyObject *)&PyGFlags_Type) && g_type_is_a(((PyGFlags*)x)->gtype, G_TYPE_FLAGS))
 
 extern PyObject * pyg_flags_add        (PyObject *   module,
 					const char * type_name,
@@ -194,7 +194,7 @@ extern PyObject * pyg_flags_from_gtype (GType        gtype,
 					int          value);
 
 /* pygenum */
-#define PyGEnum_Check(x) (PyObject_IsInstance(x, &PyGEnum_Type) && g_type_is_a(((PyGFlags*)x)->gtype, G_TYPE_ENUM))
+#define PyGEnum_Check(x) (PyObject_IsInstance((PyObject *)x, (PyObject *)&PyGEnum_Type) && g_type_is_a(((PyGFlags*)x)->gtype, G_TYPE_ENUM))
 
 typedef struct {
 	PYGLIB_PyLongObject parent;