crummy fix for Windows

testsuite/tests/ghc-regress/lib/Process/process001.hs

+{-# OPTIONS -cpp #-}
 import System.IO
 import System.Process
 
+#ifdef mingw32_HOST_OS
+cmd = "c:/cygwin/bin/ls"
+#else
+cmd = "/bin/ls"
+#endif
+
 test = do
   h <- openFile "output" WriteMode
-  ph <- runProcess "/bin/ls" [] Nothing Nothing Nothing (Just h) Nothing
+  ph <- runProcess cmd [] Nothing Nothing Nothing (Just h) Nothing
   waitForProcess ph
 
 main = test >> test >> return ()

testsuite/tests/ghc-regress/lib/Process/process002.hs

+{-# OPTIONS -cpp #-}
 import System.Process
 import System.IO
 
+#ifdef mingw32_HOST_OS
+cmd = "c:/cygwin/bin/ls"
+#else
+cmd = "/bin/ls"
+#endif
+
 main = do
   h <- openFile "output" WriteMode
-  ph <- runProcess "/bin/ls" [] Nothing Nothing Nothing (Just h) (Just h)
+  ph <- runProcess cmd [] Nothing Nothing Nothing (Just h) (Just h)
   waitForProcess ph
   return ()