Fix chunk writing

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9_1_2to1_9_3_4/types/Chunk1_9_3_4Type.java

@@ -100,7 +100,7 @@ public class Chunk1_9_3_4Type extends PartialType<Chunk, ClientWorld> {
         // Write biome data
         if (chunk.isBiomeData()) {
             for (int biome : chunk.getBiomeData()) {
-                buf.writeByte((byte) biome);
+                output.writeByte((byte) biome);
             }
         }
 

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9to1_8/types/Chunk1_9to1_8Type.java

@@ -159,7 +159,7 @@ public class Chunk1_9to1_8Type extends PartialType<Chunk, ClientChunks> {
         // Write biome data
         if (chunk.hasBiomeData()) {
             for (int biome : chunk.getBiomeData()) {
-                buf.writeByte((byte) biome);
+                output.writeByte((byte) biome);
             }
         }
     }