Change logs for jbigkit source package in Nile V2.0

jbigkit (2.1-ok3) yangtze; urgency=high

  * zfj_h CVE-2017-9937 安全更新：In LibTIFF 4.0.8, there is a memory malloc failure in tif_jbig.c.

 -- huang <email address hidden>  Wed, 15 Feb 2023 00:57:02 +0800