Log Message:-----------Update chinese translation.
Quan Zongliang
Modified Files:-------------- pginst/lang: zh_cn.xml (r1.6 -> r1.7) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/zh_cn.xml.diff?r1=1.6&r2=1.7)
