commit 0ea23be0ff7f5c20da81ba9d16d7cbd90a3ac88a
Author: Alexander Bilyak <bilyak.alexander@gmail.com>
Date: Fri May 22 10:02:59 2020 +0200

mail-mta/nullmailer: Fix "non-constant-expression cannot be narrowed from type 'size_t' (aka 'unsigned long') to 'unsigned int' in initializer list [-Wc++11-narrowing]" compilation error
References: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230496