Update for 00Meta, GraphicsMagick, GraphicsMagic... security important

Security update for znc

This update for znc to version 1.7.4 fixes the following issues:

Security issues fixed:

- CVE-2019-12816: Fixed a remote code execution in Modules.cpp (boo#1138572).
- CVE-2019-9917: Fixed a denial of service on invalid encoding (boo#1130360).

Fixed bugs
bnc#1130360
VUL-1: CVE-2019-9917: znc: crash on invalid encoding
bnc#1138572
VUL-0: CVE-2019-12816: znc: remote code execution in Modules.cpp
Selected Binaries