Modify the Py_RETURN_* macros to be of the form ``do {...} while (0)`` in order
to handle situations like ``if (foo) Py_RETURN_NONE else ...``.
diff --git a/Include/boolobject.h b/Include/boolobject.h
index aa5230a..92d5e27 100644
--- a/Include/boolobject.h
+++ b/Include/boolobject.h
@@ -24,8 +24,8 @@
#define Py_True ((PyObject *) &_Py_TrueStruct)
/* Macros for returning Py_True or Py_False, respectively */
-#define Py_RETURN_TRUE {Py_INCREF(Py_True); return Py_True;}
-#define Py_RETURN_FALSE {Py_INCREF(Py_False); return Py_False;}
+#define Py_RETURN_TRUE do {Py_INCREF(Py_True); return Py_True;} while (0)
+#define Py_RETURN_FALSE do {Py_INCREF(Py_False); return Py_False;} while (0)
/* Function to return a bool from a C long */
PyAPI_FUNC(PyObject *) PyBool_FromLong(long);