Update examples

testsuite/dynload/should_fail_1/prog/Main.hs

@@ -0,0 +1,11 @@
+
+import System.Plugins
+import API
+
+main = do 
+    m_v   <- dynload "../Plugin.o" ["../api"] 
+                                   [] "resource_dyn"
+    case m_v of
+        LoadFailure _   -> putStrLn "didn't compile"
+        LoadSuccess _ v -> putStrLn $ (function v)
+

testsuite/dynload/should_fail_1/prog/expected

@@ -0,0 +1,4 @@
+Couldn't match `API.Interface' against `Int -> Int'
+	Expected type: API.Interface
+	Inferred type: Int -> Int
+didn't compile