[Swan-commit] Changes to ref refs/heads/main

[D. Hugh Redelmeier]

New commits:
commit 3aafd2134273059533339965dfe3a4be066c3e30
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Fri Jun 18 11:11:31 2021 -0400

    pluto: kernel_xfrm.c: avoid null-dereference discovered by Coverity
    
    Null dereferences often indicate a logic error.  Any such error remains.
    
    This change makes the control flow slightly clearer by reducing duplicated tests.