backport of tim's 2.66:

. SF bug [#467265] Compile errors on SuSe Linux on IBM/s390.
  - errors.c, PyErr_Format:  add a va_end() to balance the va_start().

diff --git a/Python/errors.c b/Python/errors.c
index 8d02b8e262211e1cea562cac16cf578a9c9e1b46..27abd84bd80833db36b1ae711c98f5c7813523a1 100644 (file)
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -509,7 +509,7 @@ PyErr_Format(PyObject *exception, const char *format, ...)
        
        PyErr_SetObject(exception, string);
        Py_XDECREF(string);
-       
+       va_end(vargs);
        return NULL;
 }