- make the first arg of the filter function passed to rtnl_dump_filter constant

to match normal iproute. No obj-code changes.

networking/libiproute/ll_map.h

@@ -6,7 +6,7 @@
 # pragma GCC visibility push(hidden)
 #endif
 
-int ll_remember_index(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
+int ll_remember_index(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
 int ll_init_map(struct rtnl_handle *rth);
 int xll_name_to_index(const char *const name);
 const char *ll_index_to_name(int idx);