oops, typo (tests passed by chance)

Cython/Utility/Optimize.c

@@ -297,9 +297,9 @@ static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_di
         static PyObject *py_items = NULL, *py_keys = NULL, *py_values = NULL;
         const char *name = PyUnicode_AsUTF8(method_name);
         PyObject **pp = NULL;
-        if (strcmp(name, "iteritems")) pp = &py_items;
-        else if (strcmp(name, "iterkeys")) pp = &py_keys;
-        else if (strcmp(name, "itervalues")) pp = &py_values;
+        if (strcmp(name, "iteritems") == 0) pp = &py_items;
+        else if (strcmp(name, "iterkeys") == 0) pp = &py_keys;
+        else if (strcmp(name, "itervalues") == 0) pp = &py_values;
         if (pp) {
             if (!*pp) {
                 *pp = PyUnicode_FromString(name + 4);