src: replace deprecated TerminateExecution

PR-URL: https://github.com/nodejs/node/pull/5159
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

src/node_watchdog.cc

@@ -83,7 +83,7 @@ void Watchdog::Async(uv_async_t* async) {
 void Watchdog::Timer(uv_timer_t* timer) {
   Watchdog* w = ContainerOf(&Watchdog::timer_, timer);
   uv_stop(w->loop_);
-  V8::TerminateExecution(w->isolate());
+  w->isolate()->TerminateExecution();
 }