Fixed a bunch of leaking references in how the callbacks deal with

objects.  Should be MUCH better now.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8887 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/msw/streams.cpp

@@ -400,8 +400,10 @@ public:
         if (!PyObject_HasAttrString(py, name))
             return NULL;
         PyObject* o = PyObject_GetAttrString(py, name);
-        if (!PyMethod_Check(o) && !PyCFunction_Check(o))
+        if (!PyMethod_Check(o) && !PyCFunction_Check(o)) {
+            Py_DECREF(o);
             return NULL;
+        }
         return o;
     }