this adds a parameter to the dup2 syscall. Adjust strace. Change-Id: Icc2d0e054365865d38e5d596843a47c95100ca59 Reviewed-on: https://review.haiku-os.org/c/haiku/+/8514 Reviewed-by: waddlesplash <[email protected]> Tested-by: Commit checker robot <[email protected]>