Rename fletch -> dartino

src/vm/assembler_x64_linux.cc

Index: src/vm/assembler_x64_linux.cc
diff --git a/src/vm/assembler_x64_linux.cc b/src/vm/assembler_x64_linux.cc
index 3f9b1a9098a562a86316196b230d03fbc6801f24..062738dfd01e454e3df4e19d8d5a6607acc9d91f 100644
--- a/src/vm/assembler_x64_linux.cc
+++ b/src/vm/assembler_x64_linux.cc
@@ -2,12 +2,12 @@
 // 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_X64) && defined(FLETCH_TARGET_OS_LINUX)
+#if defined(DARTINO_TARGET_X64) && defined(DARTINO_TARGET_OS_LINUX)
 
 #include <stdio.h>
 #include "src/vm/assembler.h"
 
-namespace fletch {
+namespace dartino {
 
 const char* kLocalLabelPrefix = ".L";
 
@@ -64,6 +64,6 @@ void Assembler::LoadLabel(Register reg, const char* name) {
   Print("leaq %s(%%rip), %rq", name, reg);
 }
 
-}  // namespace fletch
+}  // namespace dartino
 
-#endif  // defined(FLETCH_TARGET_X64) && defined(FLETCH_TARGET_OS_LINUX)
+#endif  // defined(DARTINO_TARGET_X64) && defined(DARTINO_TARGET_OS_LINUX)