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/timingmodule.c b/Modules/timingmodule.c
index 4e10e31..56e057a 100644
--- a/Modules/timingmodule.c
+++ b/Modules/timingmodule.c
@@ -52,7 +52,7 @@
 };
 
 
-DL_EXPORT(void) inittiming(void)
+PyMODINIT_FUNC inittiming(void)
 {
 	(void)Py_InitModule("timing", timing_methods);
 }