From: Nils Reuße <ml@hxgn.net>
Date: Sun, 15 Feb 2015 16:11:22 +0000 (+0100)
Subject: Fix crash on font resize resize
X-Git-Url: https://git.xinqibao.xyz/st.git/commitdiff_plain/7dd24bfb4c80960567d2d4dd4cf7ca5f2af95a52?ds=inline;hp=7dd24bfb4c80960567d2d4dd4cf7ca5f2af95a52

Fix crash on font resize resize

if you keep downsizing your fontsize until either xw.ch or xw.cw gets 0,
st crashes, because there is an unchecked division in cresize.
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