Port chinese/zhcon 0.2.5 caused segmentation fault

[Sunry Chen]

$uname -a
FreeBSD www.525183.com 6.2-STABLE FreeBSD 6.2-STABLE #8: Tue Sep 18 23:01:05 CST
 2007     hplc at www.525183.com:/usr/obj/usr/src/sys/MYKERNEL  i386

PORTNAME=       zhcon
PORTVERSION=    0.2.5
PORTREVISION=   1

It caused segmentation fault while trying to run it. In my box it
works if I change the zhcon.conf's setting about resolution from:
x_resolution = 640
y_resolution = 480
color_depth = 4
to:
x_resolution = 800
y_resolution = 600
color_depth = 4

while I saw the source code has updated to 0.2.6