fix NPE in armorextended

src/main/java/tconstruct/util/player/ArmorExtended.java

@@ -246,6 +246,8 @@ public class ArmorExtended implements IInventory
 
     public void readFromNBT (NBTTagCompound tagCompound)
     {
+        if(tagCompound != null)
+        {
         NBTTagList tagList = tagCompound.getTagList("Inventory", 10);
         for (int i = 0; i < tagList.tagCount(); ++i)
         {
@@ -259,6 +261,7 @@ public class ArmorExtended implements IInventory
             }
         }
     }
+    }
 
     public void dropItems(ArrayList<EntityItem> drops)
     {