Clean up merge problems with illumos#11083 (nfs-zone)

*** 51,60 ****
--- 51,61 ----
  #include <sys/secflags.h>
  #include <sys/cpu_uarray.h>
  #include <sys/nvpair.h>
  #include <sys/list.h>
  #include <sys/loadavg.h>
+ #include <sys/vnode.h>
  #endif  /* _KERNEL */
  
  #ifdef  __cplusplus
  extern "C" {
  #endif