dracut/copy-initramfs.sh: set $KVER to make this work again.

dracut/copy-initramfs.sh

@@ -3,4 +3,5 @@
 # ex: ts=8 sw=4 sts=4 et filetype=sh
 
 # Copy the initramfs back to the new rootfs for proper shutdown.
+KVER=$(uname -r)
 cp /run/initramfs/live/boot/initrd.lz $NEWROOT/boot/initramfs-${KVER}.img