Rename config.h to pg_config.h and os.h to pg_config_os.h, fix a number of

places that were including the wrong files.

src/backend/port/random.c

@@ -1,11 +1,11 @@
-/* $Id: random.c,v 1.9 1999/07/16 23:09:45 tgl Exp $ */
+/* $Id: random.c,v 1.10 2001/08/24 14:07:49 petere Exp $ */
+
+#include "c.h"
 
 #include <stdlib.h>
 #include <math.h>
 #include <errno.h>
 
-#include "config.h"
-
 long
 random()
 {