Update project authors statements to Dartino

third_party/lk/fletch/app/fletch-fixed/missing.c

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 // This file contains all the missing pieces that LK should implement soon
 // but currently does not.
 
 #include <stdio.h>
 
 // LK currently lacks an implementation for abort.
 void abort(void) {
@@ skipping 64 matching lines @@
 #endif
         } bits;
 };
 
 int __signbit(double val) {
   union IEEEl2bits as_bits;
   as_bits.e = val;
   return as_bits.bits.sign;
 }