[3.8] bpo-38168: Fix a possbile refleak in setint() of mmapmodule.c (GH-16136) (GH-16174)



(cherry picked from commit 56a45142e70a1ccf3233d43cb60c47255252e89a)


Co-authored-by: Hai Shi <shihai1992@gmail.com>

https://bugs.python.org/issue38168



Automerge-Triggered-By: @zhangyangyu
1 file changed