6141 use kmem_zalloc instead of kmem_alloc + bzero/memset

*** 4518,4531 ****
  }
  
  ipsec_latch_t *
  iplatch_create()
  {
!         ipsec_latch_t *ipl = kmem_alloc(sizeof (*ipl), KM_NOSLEEP);
          if (ipl == NULL)
                  return (ipl);
-         bzero(ipl, sizeof (*ipl));
          mutex_init(&ipl->ipl_lock, NULL, MUTEX_DEFAULT, NULL);
          ipl->ipl_refcnt = 1;
          return (ipl);
  }
  
--- 4518,4530 ----
  }
  
  ipsec_latch_t *
  iplatch_create()
  {
!         ipsec_latch_t *ipl = kmem_zalloc(sizeof (*ipl), KM_NOSLEEP);
          if (ipl == NULL)
                  return (ipl);
          mutex_init(&ipl->ipl_lock, NULL, MUTEX_DEFAULT, NULL);
          ipl->ipl_refcnt = 1;
          return (ipl);
  }