FRIGN 20d53cebc1 dup() -> dup2() ...

gcc would warn about an unused result. We know it is 0 and dup()
can't fail in these circumstances, as we closed fd0 previously.
Using dup2() to do the same saves one line and shuts gcc up, bringing
us a clean build back.

2015-09-22 14:15:24 +02:00

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