Merge pull request #170 from KennyTV/abstraction

Fix trade list

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_14_4to1_15/packets/BlockItemPackets1_15.java

@@ -64,6 +64,7 @@ public class BlockItemPackets1_15 extends BlockItemRewriter<Protocol1_14_4To1_15
                             wrapper.passthrough(Type.INT);
                             wrapper.passthrough(Type.INT);
                             wrapper.passthrough(Type.FLOAT);
+                            wrapper.passthrough(Type.INT);
                         }
 
                         wrapper.passthrough(Type.VAR_INT);