*Fix a crash bug caused by bindsight spells.

--HG--
branch : trunk

src/game/Player.cpp

@@ -19874,14 +19874,6 @@ void Player::HandleFallUnderMap()
     sLog.outDetail("Viewport for "I64FMT" (%s) changed to "I64FMT, GetGUID(), GetName(), guid);
 }*/
 
-void Player::SetBindSight(Unit *target)
-{
-    if(target)
-        target->AddPlayerToVision(this);
-    else
-        target->RemovePlayerFromVision(this);
-}
-
 WorldObject* Player::GetFarsightTarget() const
 {
     // Players can have in farsight field another player's guid, a creature's guid, or a dynamic object's guid

src/game/Player.h

@@ -2027,7 +2027,6 @@ class TRINITY_DLL_SPEC Player : public Unit
         void StopCastingBindSight();
         uint64 GetFarSightGUID() const { return GetUInt64Value(PLAYER_FARSIGHT); }
         void SetFarSightGUID(uint64 guid) { SetUInt64Value(PLAYER_FARSIGHT, guid); }
-        void SetBindSight(Unit *target);
         WorldObject* GetFarsightTarget() const;
         void ClearFarsight();
         void SetFarsightTarget(WorldObject* target);

src/game/SpellAuras.cpp

@@ -2832,7 +2832,10 @@ void Aura::HandleBindSight(bool apply, bool Real)
     if(!caster || caster->GetTypeId() != TYPEID_PLAYER)
         return;
 
-    ((Player*)caster)->SetBindSight(apply ? m_target : NULL);
+    if(apply)
+        m_target->AddPlayerToVision((Player*)caster);
+    else
+        m_target->RemovePlayerFromVision((Player*)caster);
 }
 
 void Aura::HandleFarSight(bool apply, bool Real)