File octree-missing-fstream.patch of Package blender-5.1

Index: blender-5.1.0/intern/cycles/bvh/octree.cpp
===================================================================
--- blender-5.1.0.orig/intern/cycles/bvh/octree.cpp
+++ blender-5.1.0/intern/cycles/bvh/octree.cpp
@@ -18,6 +18,8 @@
 
 #include <fstream>
 
+#include <fstream>
+
 CCL_NAMESPACE_BEGIN
 
 __forceinline int Octree::flatten_index(int x, int y, int z) const