Fix pppd metric, #193574 thanks to Martin Väth.

ChangeLog

@@ -1,6 +1,10 @@
 # ChangeLog for Gentoo System Intialization ("rc") scripts
 # Copyright 1999-2007 Gentoo Foundation; Distributed under the GPLv2
 
+  24 Sep 2007; Roy Marples <uberlord@gentoo.org>:
+
+    Fix pppd metric, #193574 thanks to Martin Väth.
+
   21 Sep 2007; Roy Marples <uberlord@gentoo.org>:
 
     Use a pty for prefixed output instead of pipes for stdout/stderr. This

net.Linux/pppd.sh

@@ -91,7 +91,7 @@ pppd_pre_start() {
 	if ! ${hasdefaultmetric} ; then
 		local m=
 		eval m=\$metric_${IFVAR}
-		[ -z "${m}" ] && m=$((${metric} + _ifindex))
+		[ -z "${m}" ] && m=$((${metric} + $(_ifindex)))
 		opts="${opts} defaultmetric ${m}"
 	fi
 	if [ -n "${mtu}" ] ; then