Rename fletch -> dartino

src/shared/platform_posix.h

 // 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.
 
 #ifndef SRC_SHARED_PLATFORM_POSIX_H_
 #define SRC_SHARED_PLATFORM_POSIX_H_
 
 #ifndef SRC_SHARED_PLATFORM_H_
 #error Do not include platform_posix.h directly; use platform.h instead.
 #endif
 
-#if defined(FLETCH_TARGET_OS_POSIX)
+#if defined(DARTINO_TARGET_OS_POSIX)
 
 #include <errno.h>
 #include <pthread.h>
 
 #include "src/shared/globals.h"
 
 #ifndef MAXPATHLEN
 #define MAXPATHLEN PATH_MAX
 #endif
 
-namespace fletch {
+namespace dartino {
 
 // Forward declare [Platform::GetMicroseconds].
 namespace Platform {
 uint64 GetMicroseconds();
 }  // namespace Platform
 
 class MutexImpl {
  public:
   MutexImpl() { pthread_mutex_init(&mutex_, NULL); }
   ~MutexImpl() { pthread_mutex_destroy(&mutex_); }
@@ skipping 36 matching lines @@
   }
 
   int Notify() { return pthread_cond_signal(&cond_); }
   int NotifyAll() { return pthread_cond_broadcast(&cond_); }
 
  private:
   pthread_mutex_t mutex_;  // Pthread mutex for POSIX platforms.
   pthread_cond_t cond_;    // Pthread condition for POSIX platforms.
 };
 
-}  // namespace fletch
+}  // namespace dartino
 
-#endif  // defined(FLETCH_TARGET_OS_POSIX)
+#endif  // defined(DARTINO_TARGET_OS_POSIX)
 
 #endif  // SRC_SHARED_PLATFORM_POSIX_H_