$OpenBSD: patch-sc_source_core_data_column3_cxx,v 1.6 2018/02/05 17:15:05 robert Exp $
Index: sc/source/core/data/column3.cxx
--- sc/source/core/data/column3.cxx.orig
+++ sc/source/core/data/column3.cxx
@@ -53,6 +53,8 @@
 
 #include <memory>
 
+typedef long ptrdiff_t;
+
 #include <mdds/flat_segment_tree.hpp>
 
 #include <sfx2/objsh.hxx>
