Fix path to dart2js on windows.

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # 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.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 93 matching lines @@
   if revision:
     ReplaceInFiles([os.path.join(sdk_root, 'pkg', 'compiler', 
                                  'implementation', 'compiler.dart')],
                    [(r"BUILD_ID = 'build number could not be determined'",
                      r"BUILD_ID = '%s'" % revision)])
   if utils.GuessOS() == 'win32':
     dart2js = os.path.join(sdk_root, 'bin', 'dart2js.bat')
     Copy(os.path.join(build_dir, 'dart2js.bat'), dart2js)
     dartdoc = os.path.join(sdk_root, 'bin', 'dartdoc.bat')
     Copy(os.path.join(build_dir, 'dartdoc.bat'), dartdoc)
+    # TODO(dgrove) - fix this once issue 4788 is addressed.
+    ReplaceInFiles([dart2js],
+                   [(r'%SCRIPTPATH%..\\lib', r'%SCRIPTPATH%..\\pkg')]);
   else:
     dart2js = os.path.join(sdk_root, 'bin', 'dart2js')
     Copy(os.path.join(build_dir, 'dart2js'), dart2js)
     dartdoc = os.path.join(sdk_root, 'bin', 'dartdoc')
     Copy(os.path.join(build_dir, 'dartdoc'), dartdoc)
 
     # TODO(dgrove) - fix this once issue 4788 is addressed.
     ReplaceInFiles([dart2js],
-                   [(r'\$BIN_DIR/../../lib', r'$BIN_DIR/../pkg')])
+                   [(r'$BIN_DIR/../../lib', r'$BIN_DIR/../pkg')])
     ReplaceInFiles([dartdoc],
-                   [(r'\$BIN_DIR/../..', r'$BIN_DIR/..')])
+                   [(r'$BIN_DIR/../..', r'$BIN_DIR/..')])
 
 
 def Main(argv):
   # Pull in all of the gpyi files which will be munged into the sdk.
   io_runtime_sources = \
     (eval(open("runtime/bin/io_sources.gypi").read()))['sources']
 
   HOME = dirname(dirname(realpath(__file__)))
 
   SDK_tmp = tempfile.mkdtemp()
@@ skipping 174 matching lines @@
   if revision is not None:
     with open(os.path.join(SDK_tmp, 'revision'), 'w') as f:
       f.write(revision + '\n')
       f.close()
 
   move(SDK_tmp, SDK)
   utils.Touch(os.path.join(SDK, 'create.stamp'))
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))