fix format specifier for numa nodes

Author: daanx

src/stats.c

@@ -348,7 +348,7 @@ static void _mi_stats_print(mi_stats_t* stats, mi_output_fun* out0, void* arg0)
   mi_stat_counter_print(&stats->malloc_guarded_count, "guarded", out, arg);
   mi_stat_print(&stats->threads, "threads", -1, out, arg);
   mi_stat_counter_print_avg(&stats->page_searches, "searches", out, arg);
-  _mi_fprintf(out, arg, "%10s: %5zu\n", "numa nodes", _mi_os_numa_node_count());
+  _mi_fprintf(out, arg, "%10s: %5i\n", "numa nodes", _mi_os_numa_node_count());
 
   size_t elapsed;
   size_t user_time;