[NETFILTER]: Introduce nf_inet_address

A few netfilter modules provide their own union of IPv4 and IPv6
address storage. Will unify that in this patch series.

(1/4): Rename union nf_conntrack_address to union nf_inet_addr and
move it to x_tables.h.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 515abff..47d8947 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -247,7 +247,7 @@
 }
 
 static int parse_addr(struct nf_conn *ct, const char *cp, const char **endp,
-		      union nf_conntrack_address *addr, const char *limit)
+		      union nf_inet_addr *addr, const char *limit)
 {
 	const char *end;
 	int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
@@ -275,7 +275,7 @@
 static int epaddr_len(struct nf_conn *ct, const char *dptr,
 		      const char *limit, int *shift)
 {
-	union nf_conntrack_address addr;
+	union nf_inet_addr addr;
 	const char *aux = dptr;
 
 	if (!parse_addr(ct, dptr, &dptr, &addr, limit)) {
@@ -366,7 +366,7 @@
 static int set_expected_rtp(struct sk_buff *skb,
 			    struct nf_conn *ct,
 			    enum ip_conntrack_info ctinfo,
-			    union nf_conntrack_address *addr,
+			    union nf_inet_addr *addr,
 			    __be16 port,
 			    const char *dptr)
 {
@@ -403,7 +403,7 @@
 		    enum ip_conntrack_info ctinfo)
 {
 	int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
-	union nf_conntrack_address addr;
+	union nf_inet_addr addr;
 	unsigned int dataoff, datalen;
 	const char *dptr;
 	int ret = NF_ACCEPT;