fixup: windows bool type

Author: harendra-kumar

src/Streamly/Coreutils/FileTest/Windows.hsc

@@ -541,9 +541,9 @@ pathAccess path mask =
                                       pPrivSet pPrivSetLen
                                       pGrantedAccess pAccessStatus
                             -- ok == 0 means AccessCheck itself failed
-                            if ok == 0
-                            then return False
-                            else peek pAccessStatus
+                            if ok
+                            then peek pAccessStatus
+                            else return False
     `catch` handler
   where
     handler :: SomeException -> IO Bool