Fix build error

Blog.hs

@@ -13,7 +13,6 @@ import Data.Text (Text, pack)
 import Yesod.Core (PathPiece (..))
 import Data.Yaml
 import Control.Monad (mzero)
-import Control.Applicative
 import qualified Filesystem.Path.CurrentOS as F
 import Data.Time
 import Data.Map (Map)

Handler/Blog.hs

@@ -88,6 +88,7 @@ getFeedR = do
         , feedUpdated = postTime f
         , feedEntries = entries
         , feedAuthor = "Yesod Web Framework Team"
+        , feedLogo = Nothing
         }
   where
     go (url, p) = do
@@ -97,6 +98,7 @@ getFeedR = do
             , feedEntryUpdated = postTime p
             , feedEntryTitle = postTitle p
             , feedEntryContent = content
+            , feedEntryEnclosure = Nothing
             }
 
 getContent :: Post -> IO Html

Handler/Wiki.hs

@@ -4,7 +4,6 @@ module Handler.Wiki
     ) where
 
 import Import
-import Network.HTTP.Types (status301)
 import qualified Data.Text as T
 
 getWikiHomeR :: Handler Html

stack.yaml

@@ -1,8 +1,8 @@
-resolver: lts-3.0
+resolver: lts-6.11
 image:
     container:
         name: snoyberg/yesodweb
-        base: fpco/stack-run
+        base: fpco/stack-run:lts-6.0
         add:
             config: /app/config
             static: /app/static