Rename fletch -> dartino

src/vm/natives_posix.cc

Index: src/vm/natives_posix.cc
diff --git a/src/vm/natives_posix.cc b/src/vm/natives_posix.cc
index 71475ada0b1e05903af9b16d477c48fbca0dd544..6d47374d39d05924289e0cb047c5726d6a93da8c 100644
--- a/src/vm/natives_posix.cc
+++ b/src/vm/natives_posix.cc
@@ -2,7 +2,7 @@
 // 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/natives.h"
 
@@ -10,7 +10,7 @@
 
 #include "src/vm/process.h"
 
-namespace fletch {
+namespace dartino {
 
 BEGIN_NATIVE(UriBase) {
   char* buffer = reinterpret_cast<char*>(malloc(PATH_MAX + 1));
@@ -27,6 +27,6 @@ BEGIN_NATIVE(UriBase) {
 }
 END_NATIVE()
 
-}  // namespace fletch
+}  // namespace dartino
 
-#endif  // defined FLETCH_TARGET_OS_POSIX
+#endif  // defined DARTINO_TARGET_OS_POSIX