Bug 1375238: cast so 32-bit clang will compile r=dminor

media/webrtc/trunk/webrtc/base/task_queue_libevent.cc

@@ -234,7 +234,8 @@ void TaskQueue::PostDelayedTask(std::unique_ptr<QueuedTask> task,
     QueueContext* ctx =
         static_cast<QueueContext*>(pthread_getspecific(GetQueuePtrTls()));
     ctx->pending_timers_.push_back(timer);
-    timeval tv = {milliseconds / 1000, (milliseconds % 1000) * 1000};
+    timeval tv = {milliseconds / 1000,
+		  static_cast<suseconds_t>((milliseconds % 1000) * 1000)};
     event_add(&timer->ev, &tv);
   } else {
     PostTask(std::unique_ptr<QueuedTask>(