Rename fletch -> dartino

src/vm/thread_lk.cc

 // 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.
 
-#if defined(FLETCH_TARGET_OS_LK)
+#if defined(DARTINO_TARGET_OS_LK)
 
 #include "src/vm/thread.h"  // NOLINT we don't include thread_posix.h.
 
 #include <errno.h>
 #include <stdio.h>
 
 #include "src/shared/platform.h"
 
-namespace fletch {
+namespace dartino {
 
 void Thread::SetProcess(Process* process) {
   // Unused since tick sample is not available on LK.
 }
 
 Process* Thread::GetProcess() {
   // Unused since tick sample is not available on LK.
   return NULL;
 }
 
@@ skipping 18 matching lines @@
   thread_t* thread =
       thread_create("Dart thread", reinterpret_cast<thread_start_routine>(run),
                     data, DEFAULT_PRIORITY, 4096 /* stack size */);
   int result = thread_resume(thread);
   if (result != 0) {
     fprintf(stderr, "Error %d", result);
   }
   return ThreadIdentifier(thread);
 }
 
-}  // namespace fletch
+}  // namespace dartino
 
-#endif  // defined(FLETCH_TARGET_OS_LK)
+#endif  // defined(DARTINO_TARGET_OS_LK)