chore(TrinityCore#31194): pass by const ref

Author: stdNullPtr

src/server/game/Globals/ObjectMgr.cpp

@@ -7019,7 +7019,7 @@ WorldSafeLocsEntry const* ObjectMgr::GetDefaultGraveyard(uint32 team) const
     else return nullptr;
 }
 
-WorldSafeLocsEntry const* ObjectMgr::GetClosestGraveyard(float x, float y, float z, uint32 MapId, uint32 team, ObjectGuid playerGuid, const std::string &playerName) const
+WorldSafeLocsEntry const* ObjectMgr::GetClosestGraveyard(float x, float y, float z, uint32 MapId, uint32 team, const ObjectGuid& playerGuid, const std::string &playerName) const
 {
     // search for zone associated closest graveyard
     uint32 zoneId = sMapMgr->GetZoneId(PHASEMASK_NORMAL, MapId, x, y, z);

src/server/game/Globals/ObjectMgr.h

@@ -1059,7 +1059,7 @@ class TC_GAME_API ObjectMgr
         QuestGreeting const* GetQuestGreeting(ObjectGuid guid) const;
 
         WorldSafeLocsEntry const* GetDefaultGraveyard(uint32 team) const;
-        WorldSafeLocsEntry const* GetClosestGraveyard(float x, float y, float z, uint32 MapId, uint32 team, ObjectGuid playerGuid, const std::string &playerName) const;
+        WorldSafeLocsEntry const* GetClosestGraveyard(float x, float y, float z, uint32 MapId, uint32 team, const ObjectGuid& playerGuid, const std::string &playerName) const;
         bool AddGraveyardLink(uint32 id, uint32 zoneId, uint32 team, bool persist = true);
         void RemoveGraveyardLink(uint32 id, uint32 zoneId, uint32 team, bool persist = false);
         void LoadGraveyardZones();