Excise DL_EXPORT/DL_IMPORT from Modules/*.  Required adding a prototype
for Py_Main().

Thanks to Kalle Svensson and Skip Montanaro for the patches.
diff --git a/Modules/dlmodule.c b/Modules/dlmodule.c
index ea083e2..927f4c0 100644
--- a/Modules/dlmodule.c
+++ b/Modules/dlmodule.c
@@ -209,7 +209,7 @@
 	Py_XDECREF(v);
 }
 
-DL_EXPORT(void)
+PyMODINIT_FUNC
 initdl(void)
 {
 	PyObject *m, *d, *x;