Fixed desert list initialization. Fixes #1447

src/main/java/net/minecraftforge/common/BiomeManager.java

@@ -75,6 +75,8 @@ public class BiomeManager
         currentBiomes[BiomeType.ICY.ordinal()] = new TrackedList(list);
         list.clear();
         
+        currentBiomes[BiomeType.DESERT.ordinal()] = new TrackedList(list);
+        
         return currentBiomes;
     }
 
@@ -292,4 +294,4 @@ public class BiomeManager
             return isModded;
         }
     }
-}
+}