2916 DTrace in a zone should be able to access fds[]

*** 42,51 ****
--- 42,52 ----
  void (*dtrace_helpers_cleanup)(void);
  void (*dtrace_helpers_fork)(proc_t *, proc_t *);
  void (*dtrace_cpustart_init)(void);
  void (*dtrace_cpustart_fini)(void);
  void (*dtrace_cpc_fire)(uint64_t);
+ void (*dtrace_closef)(void);
  
  void (*dtrace_debugger_init)(void);
  void (*dtrace_debugger_fini)(void);
  
  dtrace_vtime_state_t dtrace_vtime_active = 0;