Fix compile error on Windows (no snprintf support).

test/cctest/test-parsing.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 260 matching lines @@
     CHECK(!data.has_error());
   }
 }
 
 
 TEST(RegressChromium62639) {
   int marker;
   i::StackGuard::SetStackLimit(
       reinterpret_cast<uintptr_t>(&marker) - 128 * 1024);
 
-  char buffer[4096];
-  const char* program_template = "var x = '%01024d';  // filler\n"
-                                 "escape: function() {}";
+  const char* program = "var x = 'something';\n"
+                        "escape: function() {}";
   // Fails parsing expecting an identifier after "function".
   // Before fix, didn't check *ok after Expect(Token::Identifier, ok),
   // and then used the invalid currently scanned literal. This always
   // failed in debug mode, and sometimes crashed in release mode.
 
-  snprintf(buffer, sizeof(buffer), program_template, 0);
-  unibrow::Utf8InputBuffer<256> stream(buffer, strlen(buffer));
+  unibrow::Utf8InputBuffer<256> stream(program, strlen(program));
   i::ScriptDataImpl* data =
       i::ParserApi::PreParse(i::Handle<i::String>::null(), &stream, NULL);
   CHECK(data->HasError());
   delete data;
 }
 
 
 TEST(Regress928) {
   // Preparsing didn't consider the catch clause of a try statement
   // as with-content, which made it assume that a function inside
@@ skipping 22 matching lines @@
   CHECK(!entry1.is_valid());
 
   int second_function = strstr(program + first_lbrace, "function") - program;
   int second_lbrace = second_function + strlen("function () ");
   CHECK_EQ('{', program[second_lbrace]);
   i::FunctionEntry entry2 = data->GetFunctionEntry(second_lbrace);
   CHECK(entry2.is_valid());
   CHECK_EQ('}', program[entry2.end_pos() - 1]);
   delete data;
 }