Update examples

testsuite/hier/hier3/Main.hs

@@ -0,0 +1,25 @@
+module Main where
+
+import System.Plugins
+
+main = do
+
+    makeAll "One.hs" []
+
+    load2 "Two.o"
+
+    load2 "./Two.o"         -- shouldn't load
+    load2 "../hier3/Two.o"  -- shouldn't load
+    load2 "././././Two.o"   -- shouldn't load
+
+    -- and this one pulls in "../hier3/Two.o" as a dep
+    y <- load "One.o" ["../hier3"] [] "resource"
+    case y of
+        LoadSuccess _ s -> putStrLn $ "One plugin: " ++ s
+        LoadFailure _   -> putStrLn "Failure: y"
+
+load2 f = do
+    x <- load f [".", "../hier3", ""] [] "resource"   -- depend on One.o
+    case x of
+        LoadSuccess _ s -> putStrLn $ "Two plugin: " ++ s
+        LoadFailure _   -> putStrLn "Failure: x"