Update examples

testsuite/pdynload/should_fail1/Makefile

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+# Missing class constraint... can't do that in Clean
+
+TEST=   pdynload/should_fail1
+TOP=../../..
+include ../../build.mk

testsuite/pdynload/should_fail1/Plugin.hs

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+module Plugin where
+
+data I = I Int
+
+resource = I 1

testsuite/pdynload/should_fail1/api/API.hs

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+
+module API where
+
+newtype Interface = I Int
+
+rsrc :: Interface
+rsrc = I 1
+

testsuite/pdynload/should_fail1/prog/Main.hs

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+
+import System.Plugins
+import API
+
+src     = "../Plugin.hs"
+wrap    = "../Wrapper.hs"
+apipath = "../api"
+
+main = do status <- make src ["-i"++apipath]
+          case status of
+                MakeSuccess _ _ -> f
+                MakeFailure e -> mapM_ putStrLn e
+
+   where f = do v <- pdynload "../Plugin.o" ["../api"] [] "API.Interface" "resource"
+                case v of
+                  LoadSuccess _ a -> putStrLn "loaded .. yay!"
+                  _               -> putStrLn "wrong types"

testsuite/pdynload/should_fail1/prog/expected

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+wrong types