--- old/src/os/windows/vm/os_windows.cpp	2015-06-25 18:20:29.377461565 +0200
+++ new/src/os/windows/vm/os_windows.cpp	2015-06-25 18:20:29.237456797 +0200
@@ -1903,9 +1903,7 @@
 }
 
 WindowsSemaphore::~WindowsSemaphore() {
-  if (_semaphore != NULL) {
-    ::CloseHandle(_semaphore);
-  }
+  ::CloseHandle(_semaphore);
 }
 
 void WindowsSemaphore::signal(uint count) {