[NETFILTER]: xt_iprange: fix typo in address family

The family for iprange_mt4 should be AF_INET, not AF_INET6.
Noticed by Jiri Moravec <jim.lkml@gmail.com>.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 01035fc..97715e3 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -148,7 +148,7 @@
 	{
 		.name      = "iprange",
 		.revision  = 1,
-		.family    = AF_INET6,
+		.family    = AF_INET,
 		.match     = iprange_mt4,
 		.matchsize = sizeof(struct xt_iprange_mtinfo),
 		.me        = THIS_MODULE,