libxtables: prefix - misc functions

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/extensions/libxt_sctp.c b/extensions/libxt_sctp.c
index 37a6423..6348a2f 100644
--- a/extensions/libxt_sctp.c
+++ b/extensions/libxt_sctp.c
@@ -85,14 +85,14 @@
 	buffer = strdup(portstring);
 	DEBUGP("%s\n", portstring);
 	if ((cp = strchr(buffer, ':')) == NULL) {
-		ports[0] = ports[1] = parse_port(buffer, "sctp");
+		ports[0] = ports[1] = xtables_parse_port(buffer, "sctp");
 	}
 	else {
 		*cp = '\0';
 		cp++;
 
-		ports[0] = buffer[0] ? parse_port(buffer, "sctp") : 0;
-		ports[1] = cp[0] ? parse_port(cp, "sctp") : 0xFFFF;
+		ports[0] = buffer[0] ? xtables_parse_port(buffer, "sctp") : 0;
+		ports[1] = cp[0] ? xtables_parse_port(cp, "sctp") : 0xFFFF;
 
 		if (ports[0] > ports[1])
 			exit_error(PARAMETER_PROBLEM,