[ICSK]: Introduce reqsk_queue_prune from code in tcp_synack_timer

With this we're very close to getting all of the current TCP
refactorings in my dccp-2.6 tree merged, next changeset will export
some functions needed by the current DCCP code and then dccp-2.6.git
will be born!

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 800930f..6200968 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -270,7 +270,7 @@
 	__u8	frto_counter;	/* Number of new acks after RTO */
 
 	__u8	nonagle;	/* Disable Nagle algorithm?             */
-	__u8	defer_accept;	/* User waits for some data after accept() */
+	/* ONE BYTE HOLE, TRY TO PACK */
 
 /* RTT measurement */
 	__u32	srtt;		/* smoothed round trip time << 3	*/