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.
This commit is contained in:
FRIGN 2015-09-22 13:13:25 +02:00
parent bf8c71e429
commit 20d53cebc1