[DCCP]: Use constants for CCIDs

With constants for CCID numbers this now uses them in some places.

Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index 457dd3d..2efb505 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -808,7 +808,7 @@
 }
 
 static struct ccid_operations ccid2 = {
-	.ccid_id		= 2,
+	.ccid_id		= DCCPC_CCID2,
 	.ccid_name		= "ccid2",
 	.ccid_owner		= THIS_MODULE,
 	.ccid_hc_tx_obj_size	= sizeof(struct ccid2_hc_tx_sock),