autotest/virt-test — pull request #1911 by cheliu (2014-12-05 12:09:06+00:00)
Title: Add new function get_windows_drive_letters()

New function to get the drive letters has been assigned in windows guest.
Use this function to help assign a new drive letter to a new block device.

BZID: 1169678

Signed-off-by: Chengyou Liu