Call older extlinux correctly.

Lubomir Rintel <lkundrak@v3.sk>

diff -up livecd-tools-013/tools/livecd-iso-to-disk.sh.extlinux-i livecd-tools-013/tools/livecd-iso-to-disk.sh

--- livecd-tools-013/tools/livecd-iso-to-disk.sh.extlinux-i	2008-10-27 12:29:08.000000000 +0100

+++ livecd-tools-013/tools/livecd-iso-to-disk.sh	2008-10-27 12:29:14.000000000 +0100

@@ -241,10 +241,14 @@ if [ "$USBFS" = "vfat" -o "$USBFS" = "ms

 	syslinux $USBDEV

     fi

 elif [ "$USBFS" = "ext2" -o "$USBFS" = "ext3" ]; then

+    # check if extlinux accepts -i option

+    extlinux -i -h 2>/dev/null

+    [ $? = 64 ] && I= || I=-i

+

     # extlinux expects the config to be named extlinux.conf

     # and has to be run with the file system mounted

     mv $USBMNT/$SYSLINUXPATH/isolinux.cfg $USBMNT/$SYSLINUXPATH/extlinux.conf

-    extlinux -i $USBMNT/syslinux

+    extlinux $I $USBMNT/$SYSLINUXPATH

     cleanup

 fi