diff --git a/src/backend/utils/cache/relmapper.c b/src/backend/utils/cache/relmapper.c
index b22cadf6eb..4a34e7eb7e 100644
--- a/src/backend/utils/cache/relmapper.c
+++ b/src/backend/utils/cache/relmapper.c
@@ -33,13 +33,14 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/cache/relmapper.c,v 1.1 2010/02/07 20:48:10 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/cache/relmapper.c,v 1.2 2010/02/07 22:00:53 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
 #include <fcntl.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 #include "access/xact.h"