build: fix some warnings

Fix a couple of warnings:

-Werror=unused-parameter

so we can use meson's warning_level=3 and -Werror without build
failures.

Change-Id: I14487a56727469f6bda1cabccce8241ac1acb149
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
3 files changed