Small Item bugfix

src/de/steamwar/inventory/SWItem.java

@@ -43,6 +43,8 @@ public class SWItem {
     }
 
     private void hideAttributes(){
+        if(itemMeta == null)
+            return;
         itemMeta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
         itemMeta.addItemFlags(ItemFlag.HIDE_DESTROYS);
         itemMeta.addItemFlags(ItemFlag.HIDE_UNBREAKABLE);