v4: rename print_rule() to print_rule4()

Signed-off-by: Maciej Zenczykowski <maze@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/include/iptables.h b/include/iptables.h
index 4e9ae19..204c92e 100644
--- a/include/iptables.h
+++ b/include/iptables.h
@@ -15,7 +15,7 @@
 			struct iptc_handle *handle);
 extern int for_each_chain4(int (*fn)(const ipt_chainlabel, int, struct iptc_handle *),
 		int verbose, int builtinstoo, struct iptc_handle *handle);
-extern void print_rule(const struct ipt_entry *e,
+extern void print_rule4(const struct ipt_entry *e,
 		struct iptc_handle *handle, const char *chain, int counters);
 
 /* kernel revision handling */