[DCCP]: Just move packet_history.[ch] to net/dccp/ccids/lib/

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 7468928..12548fb 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -37,7 +37,7 @@
 #include <linux/config.h>
 #include "../ccid.h"
 #include "../dccp.h"
-#include "../packet_history.h"
+#include "lib/packet_history.h"
 #include "lib/loss_interval.h"
 #include "ccid3.h"