Snippets for dovecot 2.4.5 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/9r6sx4k6wlcjavr7kawwzvbwkra070f0-dovecot-2.4.5.drv.

• test-ostream-multiplex.c:614:9: warning: initializer-string for array of 'unsigned char' truncates NUL terminator but destination lacks 'nonstring' attribute (10 chars into 9 available) [-Wunterminated-string-initialization]
    614 |         "\xFF\xFF\xFF\xFF\xFF\x00\x02\x03\xFE";
        |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~