init.d/root: don't remount swap
init.d/root: don't remount swap

While refactoring the changes proposed in #533 a minor error was
introduced were the root service will now attempt to remount swap.
This will fail with the error message `mountinfo: 'swap' is not a
mountpoint`.

This fixes #546

OpenRC/openrc,OpenRC/openrc,OpenRC/openrc