fix running test_capi with -R ::

Also, fix a refleak in the test that was preventing running. :)
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index d187c5b..19bb1a6 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -226,6 +226,13 @@
 	long hash;
 
 	type = &_HashInheritanceTester_Type;
+
+        if (type->tp_dict != NULL)
+            /* The type has already been initialized. This probably means -R
+             is being used. */
+            Py_RETURN_NONE;
+
+
 	obj = PyObject_New(PyObject, type);
 	if (obj == NULL) {
 		PyErr_Clear();
@@ -269,6 +276,8 @@
 		return NULL;
 	}
 
+        Py_DECREF(obj);
+
 	Py_RETURN_NONE;
 }