fix typo in MovieRepository

src/NzbDrone.Core/Movies/MovieRepository.cs

@@ -311,7 +311,7 @@ namespace NzbDrone.Core.Movies
         {
             using (var conn = _database.OpenConnection())
             {
-                var strSql = "SELECT \"Id\" AS \"Key\", \"Tags\" AS \"Value\" FROM \"Movies\" WHERE \"Value\" IS NOT NUlL";
+                var strSql = "SELECT \"Id\" AS \"Key\", \"Tags\" AS \"Value\" FROM \"Movies\" WHERE \"Value\" IS NOT NULL";
                 return conn.Query<KeyValuePair<int, List<int>>>(strSql).ToDictionary(x => x.Key, x => x.Value);
             }
         }