Make it possible for NTFS to recognize the label it reads.
Make it possible for NTFS to recognize the label it reads.

The regular expression was incorrect because NTFS really wasn't being
tested, because no NTFS filesystem could be created.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

vojtechtrefny/blivet,AdamWill/blivet,jkonecny12/blivet,dwlehman/blivet,rhinstaller/blivet,rvykydal/blivet,AdamWill/blivet,dwlehman/blivet,rhinstaller/blivet,vojtechtrefny/blivet,rvykydal/blivet,vpodzime/blivet,jkonecny12/blivet,vpodzime/blivet