--- a/trurlib/nmalloc.c
+++ b/trurlib/nmalloc.c
@@ -18,9 +18,10 @@
    Boston, MA 02111-1307, USA.
  */
 
-/*
-   $Id$
- */
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>