Fixes for tcmalloc for VS2013

third_party/tcmalloc/chromium/src/windows/port.h

 /* Copyright (c) 2007, Google Inc.
  * 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
@@ skipping 415 matching lines @@
   int tv_nsec;
 };
 #endif
 
 inline int nanosleep(const struct timespec *req, struct timespec *rem) {
   Sleep(req->tv_sec * 1000 + req->tv_nsec / 1000000);
   return 0;
 }
 
 #ifndef __MINGW32__
+#if _MSC_VER < 1800  // Not required >= VS2013.
 inline long long int strtoll(const char *nptr, char **endptr, int base) {
     return _strtoi64(nptr, endptr, base);
 }
 inline unsigned long long int strtoull(const char *nptr, char **endptr,
                                        int base) {
     return _strtoui64(nptr, endptr, base);
 }
 inline long long int strtoq(const char *nptr, char **endptr, int base) {
     return _strtoi64(nptr, endptr, base);
 }
+#endif
 inline unsigned long long int strtouq(const char *nptr, char **endptr,
                                       int base) {
     return _strtoui64(nptr, endptr, base);
 }
 inline long long atoll(const char *nptr) {
   return _atoi64(nptr);
 }
 #endif
 
 #define __THROW throw()
@@ skipping 12 matching lines @@
  */
 #define GOOGLE_MAYBE_THREADS_H_ 1
 
 
 #endif  /* _WIN32 */
 
 #undef inline
 #undef EXTERN_C
 
 #endif  /* GOOGLE_BASE_WINDOWS_H_ */