Free disk space check on Linux will use best match

Fixed: Better disk space check on Linux

src/NzbDrone.Common/DiskProvider.cs

@@ -303,25 +303,23 @@ namespace NzbDrone.Common
             {
                 var drives = DriveInfo.GetDrives();
 
-                foreach (var drive in drives)
-                {
                 try
                 {
-                        if (drive.IsReady && path.StartsWith(drive.Name, StringComparison.CurrentCultureIgnoreCase))
-                        {
-                            return drive.AvailableFreeSpace;
-                        }
+                    return
+                        drives.Where(drive =>
+                            drive.IsReady && path.StartsWith(drive.Name, StringComparison.CurrentCultureIgnoreCase))
+                              .OrderByDescending(drive => drive.Name.Length)
+                              .First()
+                              .AvailableFreeSpace;
                 }
                 catch (InvalidOperationException e)
                 {
                     Logger.ErrorException("Couldn't get free space for " + path, e);
                 }
-                }
 
                 return null;
             }
 
-
             return DriveFreeSpaceEx(root);
         }