Fix bug in spell selection

src/main/lombok/org/leumasjaffe/charsheet/view/magic/SelectSpellsPanel.java

@@ -267,7 +267,7 @@ public class SelectSpellsPanel extends JPanel {
 			if (wouldHaveIllegalDuplicate(i)) continue;
 			for (int j = 0; j < modelPrepared.data.length; ++j) {
 				if (!modelPrepared.data[j].equals(NONE)) continue;
-				modelPrepared.data[j] = modelKnown.data[i];
+				modelPrepared.data[j] = modelKnown.data[rows[i]];
 				sharedValue.value(sharedValue.value() - 1);
 				break;
 			}