Core/Spell: Fix Blood Tap array overflow

Fix Blood Tap spellid 45529 accessing the 7th element of a size 6 array.
Coverity issue id 1023095.
Merge pull request #10821 from jackpoz/blood_tap_overflow

Core/Spell: Fix Blood Tap array overflow
Core/Misc: Fixed some more issues found by static code analysis tools.
Merge pull request #10819 from Ascathor/master

Core/Misc: Fixed some more issues found by static code analysis tools.