runSomething: narrow down prev commit, only quote args under mingw;it interacts badly with -D quoting already done on other plats (and isn't reqd)
where
cmd_line = unwords (pgm : dosifyPaths (map quote args))
-- The pgm is already in native format (appropriate dir separators)
+#if defined(mingw32_TARGET_OS)
quote "" = ""
quote s = "\"" ++ s ++ "\""
+#else
+ quote = id
+#endif
traceCmd :: String -> String -> IO () -> IO ()
-- a) trace the command (at two levels of verbosity)