Security update for zziplib

This update for zziplib fixes the following issues:

Security issue fixed:
- CVE-2018-16548: Prevented memory leak from __zzip_parse_root_directory(). Free allocated structure if its address is not passed back. (bsc#1107424)

Other issue addressed:

- Prevented a division by zero (bsc#1129403).

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

Fixed bugs
bnc#1129403
libzzip-devel - unzip-mem -v show core dump
bnc#1107424
VUL-1: CVE-2018-16548: zziplib: memory leak triggered in the function __zzip_parse_root_directory in zip.c
Selected Binaries
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