Add a O_CLOEXEC use missed in r323166.
PR: 199810 Reported by: Jukka A. Ukkonen <jau789@gmail.com> MFC after: 3 days
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@ -1109,7 +1109,7 @@ dt_vopen(int version, int flags, int *errp,
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*/
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if (err == ENOENT && modfind("dtraceall") < 0) {
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kldload("dtraceall"); /* ignore the error */
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dtfd = open("/dev/dtrace/dtrace", O_RDWR);
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dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC);
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err = errno;
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}
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#endif
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