For PEP3137: Adds missing methods to the mutable PyBytes object (soon
to be called a buffer).  Shares code with stringobject when possible.
Adds unit tests with common code that should be usable to test the PEPs
mutable buffer() and immutable bytes() types.

 http://bugs.python.org/issue1261
diff --git a/Objects/stringlib/find.h b/Objects/stringlib/find.h
index 4cdbb09..3b924b6 100644
--- a/Objects/stringlib/find.h
+++ b/Objects/stringlib/find.h
@@ -90,7 +90,7 @@
     return stringlib_rfind(str + start, end - start, sub, sub_len, start);
 }
 
-#ifdef STRINGLIB_STR
+#ifdef STRINGLIB_WANT_CONTAINS_OBJ
 
 Py_LOCAL_INLINE(int)
 stringlib_contains_obj(PyObject* str, PyObject* sub)