Cygwin: utils: chattr: fix recursive behaviour

chattr [mode] dir

incorrectly recurses one level into the given directory, even if the
--recursive option has not been used.  This patch adds a test to avoid
this bug.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/utils/chattr.c

@@ -347,7 +347,7 @@ next:
 	{
 	  if (chattr (argv[optind]))
 	    ret = 1;
-	  if (S_ISDIR (st.st_mode) && chattr_dir (argv[optind]))
+	  if (S_ISDIR (st.st_mode) && Ropt && chattr_dir (argv[optind]))
 	    ret = 1;
 	}
     }