Don't save Call Stabled Pet aura on player save, since it is impossible to open the stable dialog when player is loaded.

--HG--
branch : trunk

src/server/game/Spells/Auras/SpellAuras.cpp

@@ -749,6 +749,10 @@ bool Aura::CanBeSaved() const
     if (HasEffectType(SPELL_AURA_CONVERT_RUNE))
         return false;
 
+    // No point in saving this, since the stable dialog can't be open on aura load anyway.
+    if (HasEffectType(SPELL_AURA_OPEN_STABLE))
+        return false;
+
     return true;
 }