Add DL_EXPORT() to all modules that could possibly be used
on BeOS or Windows.
diff --git a/Modules/pcremodule.c b/Modules/pcremodule.c
index 9819fdd..fa98696 100644
--- a/Modules/pcremodule.c
+++ b/Modules/pcremodule.c
@@ -636,7 +636,7 @@
 
 /* Initialization function for the module (*must* be called initpcre) */
 
-void
+DL_EXPORT(void)
 initpcre()
 {
 	PyObject *m, *d;