SUSE: 2019:1972-1 Moderate: libsolv, libzypp, zypper Security Fix

This update for libsolv, libzypp and zypper fixes the following issues: libsolv was updated to version 0.6.36 fixes the following issues: Security issues fixed: - CVE-2018-20532: Fixed a NULL pointer dereference in testcase_read() (bsc#1120629). - CVE-2018-20533: Fixed a NULL pointer dereference in testcase_str2dep_complex() (bsc#1120630). - CVE-2018-20534: Fixed a NULL pointer dereference in pool_whatprovides() (bsc#1120631). Non-security issues fixed: - Made cleandeps jobs on patterns work (bsc#1137977). - Fixed an issue multiversion packages that obsolete their own name (bsc#1127155). - Keep consistent package name if there are multiple alternatives (bsc#1131823). libzypp received following fixes: - Fixes a bug where locking the kernel was not possible (bsc#1113296)