- Remove bogus O_CREAT flag. We really don't want to create a file here.
- Remove bogus O_CREAT flag. We really don't want to create a file here.

  PR:		bin/67793
  Submitted by:	Amir Shalem <amir@boom.org.il>

- Sync usage with manual page.

Approved by:	phk
MFC after:	1 week

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