Add DL_EXPORT() to all modules that could possibly be used
on BeOS or Windows.
diff --git a/Modules/fpectlmodule.c b/Modules/fpectlmodule.c
index e2a8022..ca3a2c9 100644
--- a/Modules/fpectlmodule.c
+++ b/Modules/fpectlmodule.c
@@ -227,7 +227,7 @@
     }
 }
 
-void initfpectl(void)
+DL_EXPORT(void) initfpectl(void)
 {
     PyObject *m, *d;
     m = Py_InitModule("fpectl", fpectl_methods);