When detecting drive type it is possible that a path might be mounted more than once and later mounts may have a known type.
This will allow the check to keep looking in case it can a known type.
This happens with a default redhat system which uses lvm and the first entry for the main drive is unknown even though a later entry is a known type.
Merge pull request #469 from symform/symform-better-drive-type-check

When detecting drive type it is possible that a path might be mounted mo...