Core/PetAI: When commanding your pet to attack while being Passive, it will actually start attacking.

Fixes the PetAI so that your pet stops attacking when the target is Crowd Controlled (including Frost Nova, Fear, etc) unless you specifically ask it to.
Tested extensively with click.

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.h

@@ -1640,6 +1640,10 @@ class Unit : public WorldObject
         bool HasAuraTypeWithAffectMask(AuraType auratype, SpellEntry const * affectedSpell) const;
         bool HasAuraTypeWithValue(AuraType auratype, int32 value) const;
         bool HasNegativeAuraWithInterruptFlag(uint32 flag, uint64 guid = 0);
+        bool HasCCAura() {
+            return (HasAuraType(SPELL_AURA_MOD_CONFUSE) || HasAuraType(SPELL_AURA_MOD_FEAR) || HasAuraType(SPELL_AURA_MOD_STUN) ||
+                    HasAuraType(SPELL_AURA_MOD_ROOT) || HasAuraType(SPELL_AURA_TRANSFORM));
+        }
 
         AuraEffect * IsScriptOverriden(SpellEntry const * spell, int32 script) const;
         uint32 GetDiseasesByCaster(uint64 casterGUID, bool remove = false);