+
+/*
+ * Define a pointer to the acl_main which will be filled during the initialization.
+ */
+acl_main_t *p_acl_main = 0;
+
+/*
+ * If the file is included more than once, the symbol collision will make the problem obvious.
+ * If the include is done only once, it is just a lonely null var
+ * sitting around.
+ */
+void *ERROR_ACL_PLUGIN_EXPORTS_FILE_MUST_BE_INCLUDED_ONLY_IN_ONE_PLACE = 0;
+