Log Message:
(devel/libffi) Revert buildlink3.mk to 2022 version

 - This change was said wrong location, should change python311/Makefile
      http://mail-index.netbsd.org/tech-pkg/2024/02/03/msg028893.html
 - Even above change may not be necessary
      http://mail-index.netbsd.org/tech-pkg/2024/02/12/msg028919.html
 - I connfirmed that on 10.99.10 it does not need this change
 - I don't remember why I had this problem (pyton 3.11.7 requires this change)

  Sorry and thanks
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