Fix compiler warning about unused variables.
diff --git a/Mac/Modules/Nav.c b/Mac/Modules/Nav.c
index 7118d43..d2aa7db 100644
--- a/Mac/Modules/Nav.c
+++ b/Mac/Modules/Nav.c
@@ -930,16 +930,15 @@
void
initNav(void)
{
- PyObject *m, *d;
-
- if (PyErr_WarnPy3k("In 3.x, the Nav module is removed.", 1))
- return;
-
#ifdef __LP64__
PyErr_SetString(PyExc_ImportError, "Navigation Services not available in 64-bit mode");
return;
#else /* !__LP64__ */
+ PyObject *m, *d;
+
+ if (PyErr_WarnPy3k("In 3.x, the Nav module is removed.", 1))
+ return;
/* Test that we have NavServices */
if ( !NavServicesAvailable() ) {