Need to grok optional fns.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95542 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/filters/mod_include.h b/modules/filters/mod_include.h
index bd7ff9161ea7997bf540c06e3784c695ca8bf3e8..c3b89fc6b12eb2c6f1a262a368dd18c6d523a153 100644 (file)
--- a/modules/filters/mod_include.h
+++ b/modules/filters/mod_include.h
@@ -60,6 +60,7 @@
 #define _MOD_INCLUDE_H 1
 
 #include "apr_pools.h"
+#include "apr_optional.h"
 
 #define STARTING_SEQUENCE "<!--#"
 #define ENDING_SEQUENCE "-->"