libxtables: prefix - misc functions

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/ip6tables.c b/ip6tables.c
index f741c52..fd73276 100644
--- a/ip6tables.c
+++ b/ip6tables.c
@@ -1700,7 +1700,7 @@
 			check_inverse(optarg, &invert, &optind, argc);
 			set_option(&options, OPT_VIANAMEIN, &fw.ipv6.invflags,
 				   invert);
-			parse_interface(argv[optind-1],
+			xtables_parse_interface(argv[optind-1],
 					fw.ipv6.iniface,
 					fw.ipv6.iniface_mask);
 			break;
@@ -1709,7 +1709,7 @@
 			check_inverse(optarg, &invert, &optind, argc);
 			set_option(&options, OPT_VIANAMEOUT, &fw.ipv6.invflags,
 				   invert);
-			parse_interface(argv[optind-1],
+			xtables_parse_interface(argv[optind-1],
 					fw.ipv6.outiface,
 					fw.ipv6.outiface_mask);
 			break;