s3: smbd: Use get_original_lcomp() inside smb_file_rename_information().

s3: smbd: Use get_original_lcomp() inside smb_file_rename_information().

Pass to rename_internals_fsp() and rename_internals().

Removes the last uses of the struct member original_lcomp
outside of the filename and struct util copying code.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>