Fix typo.

src/main/java/com/gmail/nossr50/skills/Repair.java

@@ -192,7 +192,7 @@ public class Repair {
 						removeItem(player, rIron);
 						repairItem(player, enchants, enchantsLevel);
 
-						durabilityAfter = (short) (player.getItemInHand().getDurability();
+						durabilityAfter = player.getItemInHand().getDurability();
 						dif = (short) (durabilityBefore - durabilityAfter);
 						if(m.isShovel(is))
 							dif = (short) (dif / 3);