WinHandle: Do not close handle on operator &

This is not a com pointer; it should not release/close the handle when
an & operator is used, it should only return the handle value.  Clearing
is only used on assignment.

libobs/util/windows/WinHandle.hpp

@@ -44,8 +44,6 @@ public:
 
 	inline HANDLE* operator&()
 	{
-		Clear();
-		handle = NULL;
 		return &handle;
 	}