Core&DB/Spells: Fix DK T8 4p bonus

- Added missing spell to DB
- Corrected DBC data that is, very likely, wrong
Closes #6062

src/server/game/Spells/SpellMgr.cpp

@@ -3238,6 +3238,9 @@ void SpellMgr::LoadDbcDataCorrections()
                 spellInfo->EffectDieSides[0] = 0; // was 1, that should probably mean seat 0, but instead it's treated as spell 1
                 spellInfo->EffectBasePoints[0] = 52391; // Ride Vehicle (forces seat 0)
                 break;
+            case 64745:
+                spellInfo->EffectBasePoints[0] = 100; // 100% chance of procc'ing, not -10% (chance calculated in PrepareTriggersExecutedOnHit)
+                break;
             case 19970: // Entangling Roots (Rank 6) -- Nature's Grasp Proc
             case 19971: // Entangling Roots (Rank 5) -- Nature's Grasp Proc
             case 19972: // Entangling Roots (Rank 4) -- Nature's Grasp Proc

src/server/shared/Utilities/Util.h

@@ -73,7 +73,7 @@ inline uint32 secsToTimeBitFields(time_t secs)
  double rand_norm(void);
 
 /* Return a random double from 0.0 to 99.9999999999999. Floats support only 7 valid decimal digits.
- * A double supports up to 15 valid decimal digits and is used internaly (RAND32_MAX has 10 digits).
+ * A double supports up to 15 valid decimal digits and is used internally (RAND32_MAX has 10 digits).
  * With an FPU, there is usually no difference in performance between float and double. */
  double rand_chance(void);