shorter syntax

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@795 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/ppp/ipkg/ppp-pppoe-plugin/etc/ppp/ip-up b/package/ppp/ipkg/ppp-pppoe-plugin/etc/ppp/ip-up
index c85862c..6cb950c 100755 (executable)
--- a/package/ppp/ipkg/ppp-pppoe-plugin/etc/ppp/ip-up
+++ b/package/ppp/ipkg/ppp-pppoe-plugin/etc/ppp/ip-up
@@ -1,4 +1,2 @@
 #!/bin/sh
-
-ntp_server=$(nvram get ntp_server)
-/usr/sbin/rdate ${ntp_server} 
+/usr/sbin/rdate $(nvram get ntp_server)