Update examples

testsuite/makewith/unsafeio/prog/Main.hs

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+import System.Plugins
+import API
+import Data.Either
+
+conf    = "../Unsafe.conf"
+stub    = "../Unsafe.stub"
+apipath = "../api"
+
+main = do
+        status <- makeWith conf stub ["-i"++apipath]
+        o <- case status of
+                MakeFailure e -> mapM_ putStrLn e >> error "failed"
+                MakeSuccess _ o -> return o
+        m_v   <- load o [apipath] [] "resource"
+        v <- case m_v of
+            LoadSuccess _ v -> return v
+            _               -> error "load failed"
+        let s = field v
+        makeCleaner o
+        if null s then print False else print True

testsuite/makewith/unsafeio/prog/README

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+this is an example of an application that uses the HSConf library to
+dynamically load compiled conf files.
+
+We use the .conf file in the parent directory, and communicate with
+the plugin via the API in the api_package/ directory.
+
+The plugin is a .o file
+The api is a GHC package archive

testsuite/makewith/unsafeio/prog/expected

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+merge failed:
+
+parse error in ../Unsafe.conf
+line: 13, col: 1
+
+a.out: failed