Rename fletch -> dartino

src/vm/event_handler_posix.cc

Index: src/vm/event_handler_posix.cc
diff --git a/src/vm/event_handler_posix.cc b/src/vm/event_handler_posix.cc
index 814afee25edd24e71144db8bcc4d42a714a059bf..76531cb5ad8ebf6e77d9d449b87a2b05c8609e9f 100644
--- a/src/vm/event_handler_posix.cc
+++ b/src/vm/event_handler_posix.cc
@@ -2,13 +2,13 @@
 // 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_POSIX)
+#if defined(DARTINO_TARGET_OS_POSIX)
 
 #include "src/vm/event_handler.h"
 
 #include <unistd.h>
 
-namespace fletch {
+namespace dartino {
 
 void EventHandler::Interrupt() {
   int* fds = reinterpret_cast<int*>(data_);
@@ -16,6 +16,6 @@ void EventHandler::Interrupt() {
   TEMP_FAILURE_RETRY(write(fds[1], &b, 1));
 }
 
-}  // namespace fletch
+}  // namespace dartino
 
-#endif  // FLETCH_TARGET_OS_POSIX
+#endif  // DARTINO_TARGET_OS_POSIX