Minor cleanup

apps/openmw/mwgui/spellbuyingwindow.cpp

@@ -127,13 +127,7 @@ namespace MWGui
     bool SpellBuyingWindow::playerHasSpell(const std::string &id)
     {
         MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
-        MWMechanics::Spells& playerSpells = player.getClass().getCreatureStats (player).getSpells();
-        for (MWMechanics::Spells::TIterator it = playerSpells.begin(); it != playerSpells.end(); ++it)
-        {
-            if (Misc::StringUtils::ciEqual(id, it->first))
-                return true;
-        }
-        return false;
+        return player.getClass().getCreatureStats(player).getSpells().hasSpell(id);
     }
 
     void SpellBuyingWindow::onSpellButtonClick(MyGUI::Widget* _sender)

apps/openmw/mwscript/statsextensions.cpp

@@ -515,14 +515,8 @@ namespace MWScript
 
                     Interpreter::Type_Integer value = 0;
 
-                    for (MWMechanics::Spells::TIterator iter (
-                        ptr.getClass().getCreatureStats (ptr).getSpells().begin());
-                        iter!=ptr.getClass().getCreatureStats (ptr).getSpells().end(); ++iter)
-                        if (iter->first==id)
-                        {
-                            value = 1;
-                            break;
-                        }
+                    if (ptr.getClass().getCreatureStats(ptr).getSpells().hasSpell(id))
+                        value = 1;
 
                     runtime.push (value);
                 }