Fixed reference counting error when using the entity dictionary
(reported by Chris Olds).  Backported from the 1.0.6 development
branch.
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index 4ba70c7..af813bd 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -1956,7 +1956,6 @@
             res = PyObject_CallFunction(self->handle_data, "O", value);
         else
             res = NULL;
-        Py_DECREF(value);
         Py_XDECREF(res);
     } else {
         PyErr_Format(