Tidy up to enable C4800 on Windows

util/win/process_info.cc

 // Copyright 2015 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 41 matching lines @@
 bool IsProcessWow64(HANDLE process_handle) {
   static const auto is_wow64_process =
       GET_FUNCTION(L"kernel32.dll", ::IsWow64Process);
   if (!is_wow64_process)
     return false;
   BOOL is_wow64;
   if (!is_wow64_process(process_handle, &is_wow64)) {
     PLOG(ERROR) << "IsWow64Process";
     return false;
   }
-  return is_wow64;
+  return !!is_wow64;
 }
 
 template <class T>
 bool ReadUnicodeString(HANDLE process,
                        const process_types::UNICODE_STRING<T>& us,
                        std::wstring* result) {
   if (us.Length == 0) {
     result->clear();
     return true;
   }
@@ skipping 610 matching lines @@
     } else {
       result.push_back(as_ranges[i]);
     }
     DCHECK(result.back().IsValid());
   }
 
   return result;
 }
 
 }  // namespace crashpad