Updated to most recent version RE2 and remove upstreamed patches.

third_party/re2/util/logging.h

 // Copyright 2009 The RE2 Authors.  All Rights Reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // Simplified version of Google's logging.
 
 #ifndef RE2_UTIL_LOGGING_H__
 #define RE2_UTIL_LOGGING_H__
 
 #ifndef WIN32
@@ skipping 41 matching lines @@
 #define LOG(severity) LOG_ ## severity.stream()
 
 class LogMessage {
  public:
   LogMessage(const char* file, int line) : flushed_(false) {
     stream() << file << ":" << line << ": ";
   }
   void Flush() {
     stream() << "\n";
     string s = str_.str();
-#ifdef WIN32
-    write(2, s.data(), static_cast<unsigned int>(s.size()));
-#else
-    if(write(2, s.data(), s.size()) < 0) {}  // shut up gcc
-#endif
+    int n = (int)s.size(); // shut up msvc
+    if(write(2, s.data(), n) < 0) {}  // shut up gcc
     flushed_ = true;
   }
   ~LogMessage() {
     if (!flushed_) {
       Flush();
     }
   }
   ostream& stream() { return str_; }
  
  private:
   bool flushed_;
   std::ostringstream str_;
   DISALLOW_EVIL_CONSTRUCTORS(LogMessage);
 };
 
 class LogMessageFatal : public LogMessage {
  public:
   LogMessageFatal(const char* file, int line)
     : LogMessage(file, line) { }
   ~LogMessageFatal() {
     Flush();
     abort();
   }
  private:
   DISALLOW_EVIL_CONSTRUCTORS(LogMessageFatal);
 };
 
 #endif  // RE2_UTIL_LOGGING_H__