--- /dev/null
+diff -rdup vpnc-0.5.1.oorig/config.c vpnc-0.5.1/config.c
+--- vpnc-0.5.1.oorig/config.c 2007-09-10 22:39:48.000000000 +0200
++++ vpnc-0.5.1/config.c 2007-09-19 14:19:46.000000000 +0200
+@@ -538,7 +538,7 @@ static char *get_config_filename(const c
+ {
+ char *realname;
+
+- asprintf(&realname, "%s%s%s", index(name, '/') ? "" : "/etc/vpnc/", name, add_dot_conf ? ".conf" : "");
++ asprintf(&realname, "%s%s%s", strchr(name, '/') ? "" : "/etc/vpnc/", name, add_dot_conf ? ".conf" : "");
+ return realname;
+ }
+