allow building with old feed lib, w/o pubdate

Command/ImportFeed.hs

@@ -224,11 +224,15 @@ feedFile tmpl i extension = Utility.Format.format tmpl $ M.fromList
 	fieldMaybe k Nothing = (k, "none")
 	fieldMaybe k (Just v) = field k v
 
+#if MIN_VERSION_feed(0,3,9)
 	pubdate itm = case getItemPublishDate itm :: Maybe (Maybe UTCTime) of
 		Just (Just d) -> Just $
 			formatTime defaultTimeLocale "%F" d
 		-- if date cannot be parsed, use the raw string
 		_ -> replace "/" "-" <$> getItemPublishDateString itm
+#else
+	pubdate _ = Nothing
+#endif
 
 {- Called when there is a problem with a feed.
  - Throws an error if the feed is broken, otherwise shows a warning. -}

git-annex.cabal

@@ -211,7 +211,7 @@ Executable git-annex
     CPP-Options: -DWITH_DNS
 
   if flag(Feed)
-    Build-Depends: feed (>= 0.3.9.2)
+    Build-Depends: feed
     CPP-Options: -DWITH_FEED
   
   if flag(Quvi)