[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/ccid3.c b/net/dccp/ccids/ccid3.c
index 195aa95..67d2dc0 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -1240,7 +1240,7 @@
 }
 
 static struct ccid_operations ccid3 = {
-	.ccid_id		   = 3,
+	.ccid_id		   = DCCPC_CCID3,
 	.ccid_name		   = "ccid3",
 	.ccid_owner		   = THIS_MODULE,
 	.ccid_hc_tx_obj_size	   = sizeof(struct ccid3_hc_tx_sock),