This update for libzypp, zypper fixes the following issues:

libzypp:

- Check log writer before accessing it (bsc#1192337)
- Zypper should keep cached files if transaction is aborted (bsc#1190356)
- Require a minimum number of mirrors for multicurl (bsc#1191609)
- Fixed slowdowns when rlimit is too high by using procfs to detect niumber of
open file descriptors (bsc#1191324)
- Fixed zypper incomplete messages when using non English localization (bsc#1191370)
- RepoManager: Don't probe for plaindir repository if the URL schema is a plugin (bsc#1191286)
- Disable logger in the child process after fork (bsc#1192436)

zypper:

- Fixed Zypper removing a kernel explicitely pinned that uses uname -r output format as name (openSUSE/zypper#418)

This update was imported from the SUSE:SLE-15-SP2:Update update project.