libxtables: prefix - misc functions

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/iptables.c b/iptables.c
index d3906fc..aeb40d8 100644
--- a/iptables.c
+++ b/iptables.c
@@ -1705,7 +1705,7 @@
 			check_inverse(optarg, &invert, &optind, argc);
 			set_option(&options, OPT_VIANAMEIN, &fw.ip.invflags,
 				   invert);
-			parse_interface(argv[optind-1],
+			xtables_parse_interface(argv[optind-1],
 					fw.ip.iniface,
 					fw.ip.iniface_mask);
 			break;
@@ -1714,7 +1714,7 @@
 			check_inverse(optarg, &invert, &optind, argc);
 			set_option(&options, OPT_VIANAMEOUT, &fw.ip.invflags,
 				   invert);
-			parse_interface(argv[optind-1],
+			xtables_parse_interface(argv[optind-1],
 					fw.ip.outiface,
 					fw.ip.outiface_mask);
 			break;