Minor init fix.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2378 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/OctTree.h

@@ -33,7 +33,7 @@ public:
 	struct SMeshChunk : public scene::CMeshBuffer<T>
 	{
 		SMeshChunk ()
-			: scene::CMeshBuffer<T>()
+			: scene::CMeshBuffer<T>(), MaterialId(0)
 		{
 			scene::CMeshBuffer<T>::grab();
 		}
@@ -41,7 +41,6 @@ public:
 		virtual ~SMeshChunk ()
 		{
 			//removeAllHardwareBuffers
-			MaterialId = 0;
 		}
 
 		s32 MaterialId;