www/osrm-backend: prepare for upcoming Boost-1.81

With hat:	office

www/osrm-backend/files/patch-include_extractor_suffix__table.hpp

+--- include/extractor/suffix_table.hpp.orig	2021-09-21 21:49:41 UTC
++++ include/extractor/suffix_table.hpp
+@@ -2,6 +2,7 @@
+ #define OSRM_EXTRACTOR_SUFFIX_LIST_HPP_
+ 
+ #include <string>
++#include <vector>
+ #include <unordered_set>
+ 
+ #include "util/string_view.hpp"