Unbreak check-name-clashes.py after recent macro renamings.

tools/check-name-clashes.py

 #!/usr/bin/env python
 # Copyright 2014 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import js2c
 import os
 import re
 import sys
 
 FILENAME = "src/runtime/runtime.h"
-LISTHEAD = re.compile(r"#define\s+(\w+LIST\w*)\((\w+)\)")
+LISTHEAD = re.compile(r"#define\s+(FOR_EACH_\w+)\((\w+)\)")
 LISTBODY = re.compile(r".*\\$")
 
 
 class Function(object):
   def __init__(self, match):
     self.name = match.group(1).strip()
 
 def ListMacroRe(list):
   macro = LISTHEAD.match(list[0]).group(2)
   re_string = "\s*%s\((\w+)" % macro
@@ skipping 86 matching lines @@
 
   if errors > 0:
     return 1
   print("Runtime/Natives name clashes: checked %d/%d functions, all good." %
         (len(functions), len(natives)))
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(Main())