First pass at fixing my own mistakes

Mainly...fix up the includes I removed, as well as prototypes

Pointed out by D'Arcy

src/backend/access/heap/hio.c

@@ -7,18 +7,46 @@
  *
  *
  * IDENTIFICATION
- *    $Id: hio.c,v 1.3 1996/10/20 06:56:02 scrappy Exp $
+ *    $Id: hio.c,v 1.4 1996/10/20 08:31:59 scrappy Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
+
+#include "catalog/pg_attribute.h"
+#include "access/attnum.h"
+#include "nodes/pg_list.h"
+#include "access/tupdesc.h"
+#include "storage/fd.h"
+#include "catalog/pg_am.h"
+#include "catalog/pg_class.h"
+#include "nodes/nodes.h"
+#include "rewrite/prs2lock.h"
+#include "access/skey.h"
+#include "access/strat.h"
 #include "utils/rel.h"
+
+#include "storage/block.h"
+#include "storage/off.h"
+#include "storage/itemptr.h"
+#include <time.h>
+#include "utils/nabstime.h"
 #include "access/htup.h"
+
 #include "storage/buf.h"
+
+#include "storage/itemid.h"
+#include "storage/item.h"
+#include "storage/buf.h"
+#include "storage/off.h"
 #include "storage/bufpage.h"
+
+#include "utils/tqual.h"
 #include "access/relscan.h"
+
 #include "access/heapam.h"
+
 #include "storage/bufmgr.h"
 
 /*