More "silent" `rm' and typo fix for ADD_DTRACE condition.
More "silent" `rm' and typo fix for ADD_DTRACE condition.

dominicusin/puredarwin,dominicusin/puredarwin,d3ad7rack/puredarwin,dominicusin/puredarwin,d3ad7rack/puredarwin,d3ad7rack/puredarwin