Do not delete default route if the router is the same, fixes #138

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2913 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/default/usr/share/udhcpc/default.script

@@ -26,13 +26,15 @@ case "$1" in
 		broadcast ${broadcast:-+}
 
 		if [ -n "$router" ] ; then
+
+			if [ "$router" != "$(route -n | grep '^0.0.0.0' | grep vlan1 | awk '{ print $2 }')" ] ; then
 				echo "deleting routers"
 				while route del default gw 0.0.0.0 dev $interface ; do :; done				
-					
 				for i in $router ; do
 					route add default gw $i dev $interface
 				done
 			fi
+		fi
 
 		echo -n > $RESOLV_CONF
 		${domain:+echo search $domain} >> $RESOLV_CONF