*Remove all ghouls after quest is completed in dk's "give gift" quest;

--HG--
branch : trunk

src/game/Unit.cpp

@@ -8612,6 +8612,19 @@ void Unit::SetMinion(Minion *minion, bool apply)
     }
 }
 
+void Unit::RemoveAllMinionsByEntry(uint32 entry)
+{
+    for(Unit::ControlList::iterator itr = m_Controlled.begin(); itr != m_Controlled.end();)
+    {
+        Unit *unit = *itr;
+        ++itr;
+        if(unit->GetEntry() == entry && unit->GetTypeId() == TYPEID_UNIT
+            && ((Creature*)unit)->isSummon()) // minion, actually
+            ((TempSummon*)unit)->UnSummon();
+        // i think this is safe because i have never heard that a despawned minion will trigger a same minion
+    }
+}
+
 void Unit::SetCharm(Unit* charm, bool apply)
 {
     if(apply)

src/game/Unit.h

@@ -1404,6 +1404,7 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         Player* GetCharmerOrOwnerPlayerOrPlayerItself() const;
 
         void SetMinion(Minion *minion, bool apply);
+        void RemoveAllMinionsByEntry(uint32 entry);
         void SetCharm(Unit* target, bool apply);
         Unit* GetNextRandomRaidMemberOrPet(float radius);
         bool SetCharmedBy(Unit* charmer, CharmType type);