Core/Gossip: Fix crash added in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc

Fix NULL dereference crash caused by a typo in 6c64fa8de36dad958821c6078b3f2f5f5753a2fc
Scripts/ZulGurub/Jeklik: Add missing "break"
Scripts/AhnKahet: Fix some uninitialized values

Initialize all class fields in the constructor, even if they are set in Reset() and they shouldn't be accessed before Reset() is called.
This fixes 2 Coverity reports.
Scripts/Krikthir the Gatewatcher: Fix EVENT_ANUBAR_CHARGE event not being triggered

Fix EVENT_ANUBAR_CHARGE not being triggered due to value 0 being set to the EVENT_ANUBAR_CHARGE enum, even if 0 is a special value for EventMap to specify no event was triggered.
Issue added in a127c0e1a7612094c2bf8b2f5092f55aa96f0556
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into ghbb
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