What's not malloced cannot be leaked

What's not malloced cannot be leaked

The core of this change is the following:
--- a/src/surf/xml/platf_private.hpp
+++ b/src/surf/xml/platf_private.hpp
@@ -91,7 +91,7 @@ typedef struct s_sg_platf_route_cbarg {
   const char *dst;
   sg_netcard_t gw_src;
   sg_netcard_t gw_dst;
-  std::vector<Link*> *link_list;
+  std::vector<Link*> link_list;
 } s_sg_platf_route_cbarg_t;

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The rest of the changes are just code adaptation to that change.