- Various little style fixes. - If SYSCTL_OUT() fails in sysctl_kern_proc_args(), return the error   instead of ignoring it if we have new arguments for the process. - If the new arguments for a process are too long, return ENOMEM instead of   returning success but not doing the actual copy.
- Various little style fixes.
- If SYSCTL_OUT() fails in sysctl_kern_proc_args(), return the error
  instead of ignoring it if we have new arguments for the process.
- If the new arguments for a process are too long, return ENOMEM instead of
  returning success but not doing the actual copy.

Submitted by:	bde

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