fix: qos and t4 xsurface index buffer

Author: Laupetin

src/Common/Game/QOS/QOS_Assets.h

@@ -405,7 +405,8 @@ namespace QOS
         void* vb1;
         unsigned int vertListCount;
         XRigidVertList* vertList;
-        int partBits[7];
+        void* indexBuffer;
+        int partBits[6];
     };
 
     struct XModelLodInfo

src/Common/Game/T4/T4_Assets.h

@@ -448,8 +448,8 @@ namespace T4
         void /*IDirect3DVertexBuffer9*/* vb0;
         unsigned int vertListCount;
         XRigidVertList* vertList;
-        int partBits[4];
         void /*IDirect3DIndexBuffer9*/* indexBuffer;
+        int partBits[4];
     };
 
     struct XModelLodInfo