Change target name to avoid conflict in Makefile generator

dart/dart.gyp

 # Copyright (c) 2012, the Dart 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 file.
 
 {
   'targets': [
     {
       'target_name': 'most',
       'type': 'none',
       'dependencies': [
@@ skipping 19 matching lines @@
         'runtime/dart-runtime.gyp:process_test',
         'packages',
         'runtime/dart-runtime.gyp:test_extension',
         'runtime/dart-runtime.gyp:sample_extension',
       ],
     },
     {
       'target_name': 'create_sdk',
       'type': 'none',
       'dependencies': [
-        'create_sdk.gyp:create_sdk',
+        'create_sdk.gyp:create_sdk_internal',
       ],
     },
     {
       'target_name': 'dart2js',
       'type': 'none',
       'dependencies': [
         'utils/compiler/compiler.gyp:dart2js',
       ],
     },
     {
@@ skipping 112 matching lines @@
     },
     {
       'target_name': 'try',
       'type': 'none',
       'dependencies': [
         'site/try/build_try.gyp:try_site',
       ],
     },
   ],
 }