dart:io | Directory.createTemp - fix missed rename of template to prefix.

sdk/lib/io/directory.dart

 // 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.
 
 part of dart.io;
 
 /**
  * A reference to a directory (or _folder_) on the file system.
  */
 abstract class Directory implements FileSystemEntity {
@@ skipping 68 matching lines @@
 
   /**
    * Creates a temporary directory in this directory. Additional random
    * characters are appended to [prefix] to produce a unique directory
    * name. If [prefix] is missing or null, the empty string is used
    * for [prefix].
    *
    * Returns a [:Future<Directory>:] that completes with the newly
    * created temporary directory.
    */
-  Future<Directory> createTemp([String template]);
+  Future<Directory> createTemp([String prefix]);
 
   /**
    * Synchronously creates a temporary directory in this directory.
    * Additional random characters are appended to [prefix] to produce
    * a unique directory name. If [prefix] is missing or null, the empty
    * string is used for [prefix].
    *
    * Returns the newly created temporary directory.
    */
-  Directory createTempSync([String template]);
+  Directory createTempSync([String prefix]);
 
   Future<String> resolveSymbolicLinks();
 
   String resolveSymbolicLinksSync();
 
   /**
    * Renames this directory. Returns a [:Future<Directory>:] that completes
    * with a [Directory] instance for the renamed directory.
    *
    * If newPath identifies an existing directory, that directory is
@@ skipping 99 matching lines @@
       if (path != null) {
         sb.write(", path = $path");
       }
     }
     return sb.toString();
   }
   final String message;
   final String path;
   final OSError osError;
 }