Fix BOOLEAN truncation warning in sync_policy.cc.

sandbox/win/src/sync_policy.cc

 // Copyright (c) 2006-2008 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.
 
 #include <stdint.h>
 
 #include <string>
 
 #include "sandbox/win/src/sync_policy.h"
 
@@ skipping 177 matching lines @@
     return status;
 
   UNICODE_STRING unicode_event_name = {};
   OBJECT_ATTRIBUTES object_attributes = {};
   InitObjectAttribs(event_name, OBJ_CASE_INSENSITIVE, object_directory,
                     &object_attributes, &unicode_event_name, NULL);
 
   HANDLE local_handle = NULL;
   status = NtCreateEvent(&local_handle, EVENT_ALL_ACCESS, &object_attributes,
                          static_cast<EVENT_TYPE>(event_type),
-                         static_cast<BOOLEAN>(initial_state));
+                         static_cast<BOOLEAN>(initial_state != 0));
   if (NULL == local_handle)
     return status;
 
   if (!::DuplicateHandle(::GetCurrentProcess(), local_handle,
                          client_info.process, handle, 0, FALSE,
                          DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) {
     return STATUS_ACCESS_DENIED;
   }
   return status;
 }
@@ skipping 28 matching lines @@
 
   if (!::DuplicateHandle(::GetCurrentProcess(), local_handle,
                          client_info.process, handle, 0, FALSE,
                          DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) {
     return STATUS_ACCESS_DENIED;
   }
   return status;
 }
 
 }  // namespace sandbox