Fix a small oversight in the API design.

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/nbt/NbtCompound.java

@@ -272,7 +272,7 @@ public interface NbtCompound extends NbtBase<Map<String, NbtBase<?>>>, Iterable<
 	 * @param compound - the compound value.
 	 * @return This current compound, for chaining.
 	 */
-	public abstract NbtCompound put(WrappedCompound compound);
+	public abstract NbtCompound put(NbtCompound compound);
 
 	/**
 	 * Retrieve the NBT list value of an entry identified by a given key.

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/nbt/WrappedCompound.java

@@ -524,7 +524,7 @@ class WrappedCompound implements NbtWrapper<Map<String, NbtBase<?>>>, Iterable<N
 	 * @return This current compound, for chaining.
 	 */
 	@Override
-	public NbtCompound put(WrappedCompound compound) {
+	public NbtCompound put(NbtCompound compound) {
 		getValue().put(compound.getName(), compound);
 		return this;
 	}