libiptc: replace ipt_chainlabel by xt_chainlabel

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/include/iptables.h b/include/iptables.h
index 89217e2..6edd369 100644
--- a/include/iptables.h
+++ b/include/iptables.h
@@ -9,11 +9,11 @@
 /* Your shared library should call one of these. */
 extern int do_command4(int argc, char *argv[], char **table,
 		      struct iptc_handle **handle);
-extern int delete_chain4(const ipt_chainlabel chain, int verbose,
+extern int delete_chain4(const xt_chainlabel chain, int verbose,
 			struct iptc_handle *handle);
-extern int flush_entries4(const ipt_chainlabel chain, int verbose, 
+extern int flush_entries4(const xt_chainlabel chain, int verbose, 
 			struct iptc_handle *handle);
-extern int for_each_chain4(int (*fn)(const ipt_chainlabel, int, struct iptc_handle *),
+extern int for_each_chain4(int (*fn)(const xt_chainlabel, int, struct iptc_handle *),
 		int verbose, int builtinstoo, struct iptc_handle *handle);
 extern void print_rule4(const struct ipt_entry *e,
 		struct iptc_handle *handle, const char *chain, int counters);