plugins: update lockstep to use g_memdup2

The old g_memdup is deprecated, use the replacement.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230630180423.558337-22-alex.bennee@linaro.org>
1 file changed