Fixes for compiling libiptc with recent netfilter headers

src/libiptc/ipt_conntrack.h

 #ifndef _IPT_CONNTRACK_H
 #define _IPT_CONNTRACK_H
 
+#if 0
 #include <linux/netfilter_ipv4/ip_conntrack.h>
+#else
+#include <linux/netfilter/nf_conntrack_common.h>
+#include <linux/netfilter/nf_conntrack_tuple_common.h>
+#endif
 
 /* backwards compatibility crap. only exists in userspace - HW */
 #include <linux/version.h>

src/libiptc/libiptc.c

 #endif
 };
 
+#if 0
 /* Convenience structures */
 struct ipt_error_target
 {
 	STRUCT_ENTRY_TARGET t;
 	char error[TABLE_MAXNAMELEN];
 };
+#endif
 
 struct chain_head;
 struct rule_head;
 		head = (void *)repl->entries + c->head_offset;
 		head->e.target_offset = sizeof(STRUCT_ENTRY);
 		head->e.next_offset = IPTCB_CHAIN_START_SIZE;
-		strcpy(head->name.t.u.user.name, ERROR_TARGET);
-		head->name.t.u.target_size = 
+		strcpy(head->name.target.u.user.name, ERROR_TARGET);
+		head->name.target.u.target_size = 
 				ALIGN(sizeof(struct ipt_error_target));
-		strcpy(head->name.error, c->name);
+		strcpy(head->name.errorname, c->name);
 	} else {
 		repl->hook_entry[c->hooknum-1] = c->head_offset;	
 		repl->underflow[c->hooknum-1] = c->foot_offset;
 	error = (void *)repl->entries + repl->size - IPTCB_CHAIN_ERROR_SIZE;
 	error->entry.target_offset = sizeof(STRUCT_ENTRY);
 	error->entry.next_offset = IPTCB_CHAIN_ERROR_SIZE;
-	error->target.t.u.user.target_size = 
+	error->target.target.u.user.target_size = 
 		ALIGN(sizeof(struct ipt_error_target));
-	strcpy((char *)&error->target.t.u.user.name, ERROR_TARGET);
-	strcpy((char *)&error->target.error, "ERROR");
+	strcpy((char *)&error->target.target.u.user.name, ERROR_TARGET);
+	strcpy((char *)&error->target.errorname, "ERROR");
 
 	return 1;
 }

src/mark.h

 #define MARK_H
 
 #include "libiptc/libiptc.h"
-#include <linux/netfilter_ipv4/ip_conntrack.h>
-#include <linux/netfilter_ipv4/ip_conntrack_tuple.h>
+#include <linux/netfilter/nf_conntrack_common.h>
 #include "libiptc/ipt_conntrack.h"
 #include "libiptc/ipt_connmark.h"
 #include "libiptc/ipt_CONNMARK.h"
 
-
 #define MANGLE_TABLE		"mangle"
 #define FILTER_TABLE		"filter"
 #define NTK_MARK_CHAIN		"ntk_mark_chain"