Remove trailing ',' in enum.

runtime/include/dart_api.h

 // 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.
 
 #ifndef INCLUDE_DART_API_H_
 #define INCLUDE_DART_API_H_
 
 /** \mainpage Dart Embedding API Reference
  *
  * Dart is a class-based programming language for creating structured
@@ skipping 1750 matching lines @@
 // TODO(turnidge): Consider renaming to NativeFunctionResolver or
 // NativeResolver.
 
 // --- Scripts and Libraries ---
 // TODO(turnidge): Finish documenting this section.
 
 typedef enum {
   kLibraryTag = 0,
   kImportTag,
   kSourceTag,
-  kCanonicalizeUrl,
+  kCanonicalizeUrl
 } Dart_LibraryTag;
 
 // TODO(turnidge): Document.
 typedef Dart_Handle (*Dart_LibraryTagHandler)(Dart_LibraryTag tag,
                                               Dart_Handle library,
                                               Dart_Handle url,
                                               Dart_Handle import_map);
 
 /**
  * Loads the root script for the current isolate.
@@ skipping 68 matching lines @@
 
 // --- Profiling support ----
 
 // External pprof support for gathering and dumping symbolic
 // information that can be used for better profile reports for
 // dynamically generated code.
 DART_EXPORT void Dart_InitPprofSupport();
 DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size);
 
 #endif  // INCLUDE_DART_API_H_