Fix Brotli warnings on Windows

third_party/brotli/enc/hash.h

 /* Copyright 2010 Google Inc. All Rights Reserved.
 
    Distributed under MIT license.
    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
 */
 
 // A (forgetful) hash table to the data seen by the compressor, to
 // help create backward references to previous data.
 
 #ifndef BROTLI_ENC_HASH_H_
@@ skipping 638 matching lines @@
     delete[] forest_;
   }
 
   void Reset() {
     need_init_ = true;
   }
 
   void Init(int lgwin, size_t position, size_t bytes, bool is_last) {
     if (need_init_) {
       window_mask_ = (1u << lgwin) - 1u;
-      invalid_pos_ = static_cast<uint32_t>(-window_mask_);
+      invalid_pos_ = static_cast<uint32_t>(0 - window_mask_);
       for (uint32_t i = 0; i < kBucketSize; i++) {
         buckets_[i] = invalid_pos_;
       }
       size_t num_nodes = (position == 0 && is_last) ? bytes : window_mask_ + 1;
       forest_ = new uint32_t[2 * num_nodes];
       need_init_ = false;
     }
   }
 
   // Finds all backward matches of &data[cur_ix & ring_buffer_mask] up to the
@@ skipping 295 matching lines @@
   H6* hash_h6;
   H7* hash_h7;
   H8* hash_h8;
   H9* hash_h9;
   H10* hash_h10;
 };
 
 }  // namespace brotli
 
 #endif  // BROTLI_ENC_HASH_H_