PyUnicode_AsUTF8String(): /F picks up what I missed: the local var
`str' is no longer necessary.  Gotta turn on -Wall!
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 1d35c3d..11146ff 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -901,8 +901,6 @@
 
 PyObject *PyUnicode_AsUTF8String(PyObject *unicode)
 {
-    PyObject *str;
-    
     if (!PyUnicode_Check(unicode)) {
         PyErr_BadArgument();
         return NULL;