Fix more MSVC warnings, courgette/ edition.

courgette/streams.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Streams classes.
 //
 // These memory-resident streams are used for serializing data into a sequential
 // region of memory.
 //
 // Streams are divided into SourceStreams for reading and SinkStreams for
@@ skipping 97 matching lines @@
     return source;
   }
 
   return NULL;  // Value is too long to be a Varint32.
 }
 
 // Write the base-128 digits in little-endian order.  All except the last digit
 // have the high bit set to indicate more digits.
 inline uint8* Varint::Encode32(uint8* destination, uint32 value) {
   while (value >= 128) {
-    *(destination++) = value | 128;
+    *(destination++) = static_cast<uint8>(value) | 128;
     value = value >> 7;
   }
-  *(destination++) = value;
+  *(destination++) = static_cast<uint8>(value);
   return destination;
 }
 
 void SourceStream::Init(const SinkStream& sink) {
   Init(sink.Buffer(), sink.Length());
 }
 
 bool SourceStream::Read(void* destination, size_t count) {
   if (current_ + count > end_)
     return false;
@@ skipping 249 matching lines @@
     ret = control_stream->WriteSizeVarint32(lengths[i]);
   }
 
   for (size_t i = 0; ret && i < stream_count; ++i) {
     ret = this->stream(i)->Append(set->stream(i));
   }
   return ret;
 }
 
 }  // namespace