zh_CN: chapter08/systemd: fix wrong path to `true`

zh_CN/chapter08/systemd.po

@@ -89,7 +89,7 @@ msgstr "创建一个符号链接，绕过本书不会安装的 xsltproc："
 #: /home/xry111/svn-repos/LFS-BOOK/chapter08/systemd.xml:49
 #, no-wrap
 msgid "<userinput remap=\"pre\">ln -sf /bin/true /usr/bin/xsltproc</userinput>"
-msgstr "<userinput remap=\"pre\">ln -sf /tools/bin/true /usr/bin/xsltproc</userinput>"
+msgstr "<userinput remap=\"pre\">ln -sf /bin/true /usr/bin/xsltproc</userinput>"
 
 #. type: Content of: <sect1><sect2><para>
 #: /home/xry111/svn-repos/LFS-BOOK/chapter08/systemd.xml:51