Fix pppd getting the interface metric.

ChangeLog

@@ -1,6 +1,10 @@
 # ChangeLog for Gentoo System Intialization ("rc") scripts
 # Copyright 1999-2007 Gentoo Foundation; Distributed under the GPLv2
 
+  21 Aug 2007; Roy Marples <uberlord@gentoo.org>:
+
+    Fix pppd getting the interface metric.
+
 * baselayout-2.0.0_rc3 (20 Aug 2007)
 
   20 Aug 2007; Roy Marples <uberlord@gentoo.org>:

net.Linux/pppd.sh

@@ -89,7 +89,8 @@ pppd_pre_start() {
 	fi
 	
 	if ! ${hasdefaultmetric} ; then
-		local m=\$metric_${IFVAR}
+		local m=
+		eval m=\$metric_${IFVAR}
 		[ -z "${m}" ] && m=$((${metric} + _ifindex))
 		opts="${opts} defaultmetric ${m}"
 	fi