Add another missing error code

pkg/analyzer/lib/error/error.dart

 // Copyright (c) 2014, 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.
 
 library analyzer.error.error;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/listener.dart';
@@ skipping 546 matching lines @@
   StaticWarningCode.NOT_ENOUGH_REQUIRED_ARGUMENTS,
   StaticWarningCode.PART_OF_DIFFERENT_LIBRARY,
   StaticWarningCode.REDIRECT_TO_INVALID_FUNCTION_TYPE,
   StaticWarningCode.REDIRECT_TO_INVALID_RETURN_TYPE,
   StaticWarningCode.REDIRECT_TO_MISSING_CONSTRUCTOR,
   StaticWarningCode.REDIRECT_TO_NON_CLASS,
   StaticWarningCode.RETURN_WITHOUT_VALUE,
   StaticWarningCode.STATIC_ACCESS_TO_INSTANCE_MEMBER,
   StaticWarningCode.SWITCH_EXPRESSION_NOT_ASSIGNABLE,
   StaticWarningCode.TYPE_ANNOTATION_DEFERRED_CLASS,
+  StaticWarningCode.TYPE_ANNOTATION_GENERIC_FUNCTION_PARAMETER,
   StaticWarningCode.TYPE_PARAMETER_REFERENCED_BY_STATIC,
   StaticWarningCode.TYPE_TEST_WITH_NON_TYPE,
   StaticWarningCode.TYPE_TEST_WITH_UNDEFINED_NAME,
   StaticWarningCode.UNDEFINED_CLASS,
   StaticWarningCode.UNDEFINED_CLASS_BOOLEAN,
   StaticWarningCode.UNDEFINED_GETTER,
   StaticWarningCode.UNDEFINED_IDENTIFIER,
   StaticWarningCode.UNDEFINED_IDENTIFIER_AWAIT,
   StaticWarningCode.UNDEFINED_NAMED_PARAMETER,
   StaticWarningCode.UNDEFINED_SETTER,
@@ skipping 314 matching lines @@
 
   @override
   int get hashCode => ordinal;
 
   @override
   int compareTo(ErrorProperty other) => ordinal - other.ordinal;
 
   @override
   String toString() => name;
 }