* fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller has

already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto.  GNUify non-GNU formatted functions calls
throughout.

winsup/cygwin/errno.cc

@@ -673,7 +673,7 @@ strerror (int errnum)
       break;
     default:
 #ifdef _MT_SAFE
-      char *buf= _reent_winsup()->_strerror_buf;
+      char *buf= _reent_winsup ()->_strerror_buf;
 #else
       static NO_COPY char buf[20];
 #endif