Defect in XBD <unistd.h>

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        Defect report from : Ulrich Drepper , Red Hat, Inc.

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@ page 410 line 14558 section <unistd.h> objection {ud-11}

Problem:

Defect code :  1. Error

Unlike in XSH the fsync() function isn't marked with FSC.

Action:

Shade line 14558 and mark with FSC.