[NETFILTER]: nf_conntrack: naming unification

Rename all "conntrack" variables to "ct" for more consistency and
avoiding some overly long lines.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
index 22c5dcb..5545891 100644
--- a/net/netfilter/nf_conntrack_proto_generic.c
+++ b/net/netfilter/nf_conntrack_proto_generic.c
@@ -41,19 +41,19 @@
 }
 
 /* Returns verdict for packet, or -1 for invalid. */
-static int packet(struct nf_conn *conntrack,
+static int packet(struct nf_conn *ct,
 		  const struct sk_buff *skb,
 		  unsigned int dataoff,
 		  enum ip_conntrack_info ctinfo,
 		  int pf,
 		  unsigned int hooknum)
 {
-	nf_ct_refresh_acct(conntrack, ctinfo, skb, nf_ct_generic_timeout);
+	nf_ct_refresh_acct(ct, ctinfo, skb, nf_ct_generic_timeout);
 	return NF_ACCEPT;
 }
 
 /* Called when a new connection for this protocol found. */
-static int new(struct nf_conn *conntrack, const struct sk_buff *skb,
+static int new(struct nf_conn *ct, const struct sk_buff *skb,
 	       unsigned int dataoff)
 {
 	return 1;