1.Upgrade krb5 from 1.15.1 to 1.16
2.Update the checksum of LIC_FILES_CHKSUM, since krb5 has been changed. But lincese remains the same.just modify the following.
-Copyright (C) 1985-2016 by the Massachusetts Institute of Technology.
+Copyright (C) 1985-2017 by the Massachusetts Institute of Technology.
-The KCM Mach RPC definition file used on OS X has the following
+The KCM Mach RPC definition file used on macOS has the following
Signed-off-by: Huang Qiyu <huangqy.fnst@cn.fujitsu.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>