Index: ext/sdbm/_sdbm.c
===================================================================
--- ext/sdbm/_sdbm.c	(revision 22918)
+++ ext/sdbm/_sdbm.c	(working copy)
@@ -11,8 +11,8 @@
 /*char sdbm_rcsid[] = "$Id$";*/
 #endif
 
+#include "ruby.h"
 #include "sdbm.h"
-#include "ruby/config.h"
 
 /*
  * sdbm - ndbm work-alike hashed database library