LU-10050 lod: suspicious buffer reference in lod replay

LU-10050 lod: suspicious buffer reference in lod replay

In the replay path of lod_declare_layout_change(), it mistakenly uses
the address of buffer pointer where it should use the buffer pointer.

Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Change-Id: I82b77ad4b12bc7880f7376e13853baaa7dbfe341
Reviewed-on: https://review.whamcloud.com/29269
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>