code to support import existing series.

NzbDrone.Core/Repository/RootDir.cs

@@ -1,4 +1,5 @@
-using PetaPoco;
+using System.Collections.Generic;
+using PetaPoco;
 
 namespace NzbDrone.Core.Repository
 {
@@ -12,5 +13,8 @@ namespace NzbDrone.Core.Repository
 
         [ResultColumn]
         public ulong FreeSpace { get; set; }
+
+        [Ignore]
+        public List<string> UnmappedFolders { get; set; }
     }
 }