Reduce lint

*** 5433,5443 ****
          int type;
          int res1, res2, res3;
          uint64_t swap_limit;
          uint64_t locked_limit;
          uint64_t phys_limit;
-         struct stat statbuf;
  
          assert(cmd != NULL);
  
          if (initialize(B_TRUE) != Z_OK)
                  return;
--- 5433,5442 ----