Add DL_EXPORT() to all modules that could possibly be used
on BeOS or Windows.
diff --git a/Modules/operator.c b/Modules/operator.c
index 8b3c56b..d790d7c 100644
--- a/Modules/operator.c
+++ b/Modules/operator.c
@@ -255,7 +255,7 @@
 
 /* Initialization function for the module (*must* be called initoperator) */
 
-void
+DL_EXPORT(void)
 initoperator()
 {
         /* Create the module and add the functions */