Update Chat.cpp

this is better or?
Merge pull request #9890 from b4nan1/patch-2

Update Chat.cpp
DB/Quests: Fix To Catch a Thistlehead, closes #9876 closes #6319

Thanks @Kirkhammett for all the work
Core/Collision: Fix memory leak
Core/Misc: Fix invalid pointer use after being deleted
Core/Misc: Another batch of fixes for issues found by static analysis
Core/Movement: Added generatePath argument to MovePoint overload accepting Position arg
Core/Transports: Refactored methods used to calculate passenger offsets (made orientation argument optional)
Merge branch 'master' of git://github.com/TrinityCore/TrinityCore into teste2