DAOS-17059 client: fcntl 3rd parameter should be void *

[wiliamhuang]

Third argument is "void *" type in libc source code. "va_arg(arg, int);" leads to wrong argument retrieved. also need to return ENOTSUP for flock when compatible mode is not enabled.

Features: pil4dfs

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[github-actions]

Ticket title is 'locking with fcntl() in libpil4dfs failed'
Status is 'Open'
Labels: 'intercept_lib,request_for_2.6.3'
https://daosio.atlassian.net/browse/DAOS-17059

[mchaarawi]

you should revert the intel copyright update

[wiliamhuang]

All CI tests passed in build 3 without issue. The copyright was just fixed. "Doc-only: true" was set to avoid tests.