Note to self: don't introduce memory leaks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22422 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/Mutex.inc b/lib/System/Win32/Mutex.inc
index 439ce1a..0a4bc4b 100644
--- a/lib/System/Win32/Mutex.inc
+++ b/lib/System/Win32/Mutex.inc
@@ -31,6 +31,7 @@
 Mutex::~Mutex()
 {
   DeleteCriticalSection((LPCRITICAL_SECTION)data_);
+  delete (LPCRITICAL_SECTION)data_;
   data_ = 0;
 }