$OpenBSD$
This code isn't needed at all because lib/replace/system/readline.h
automatically includes <readline/history.h> if supportted, and it
breaks the build when devel/readline is installed.
--- source4/torture/smbtorture.c.orig	Mon May 13 00:27:51 2013
+++ source4/torture/smbtorture.c	Mon May 13 00:31:00 2013
@@ -34,10 +34,6 @@
 #include "param/param.h"
 #include "lib/util/samba_modules.h"
 
-#if HAVE_READLINE_HISTORY_H
-#include <readline/history.h>
-#endif
-
 static char *prefix_name(TALLOC_CTX *mem_ctx, const char *prefix, const char *name)
 {
 	if (prefix == NULL)