File _patchinfo of Package patchinfo.12457

<patchinfo incident="12457">
  <issue tracker="bnc" id="1149724">postfix fails to build with kernel 5</issue>
  <issue tracker="bnc" id="1142881">mkpostfixcert from Postfix still uses md5</issue>
  <category>recommended</category>
  <rating>moderate</rating>
  <packager>lnussel</packager>
  <description>This update for postfix fixes the following issues:

- Fixed build on Linux kernel 5.x by handling LINUX5 define (bsc#1149724)
- Switch from md5 to sha256 for mkpostfixcert (bsc#1142881)
</description>
  <summary>Recommended update for postfix</summary>
</patchinfo>