From: FRIGN <dev@frign.de>
Date: Tue, 22 Sep 2015 11:13:25 +0000 (+0200)
Subject: dup() -> dup2()
X-Git-Url: https://git.xinqibao.xyz/st.git/commitdiff_plain/20d53cebc122829449524ef339ce44e13c6e85ec?hp=20d53cebc122829449524ef339ce44e13c6e85ec

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.
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