Remove empty destructor.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4283 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IXMLWriter.h

@@ -20,10 +20,6 @@ namespace io
 	class IXMLWriter : public virtual IReferenceCounted
 	{
 	public:
-
-		//! Destructor
-		virtual ~IXMLWriter() {}
-
 		//! Writes an xml 1.0 header.
 		/** Looks like <?xml version="1.0"?>. This should always
 		be called before writing anything other, because also the text