add missing webpack variable in webpack.config.js

[adi-zz]

the variable webpack was not declared in the code sample for webpack.config.js from Setting Up CommonsChunkPlugin section

[bebraw]

Thanks. This leads to another tweak later in the chapter but I'll do that.

Let me know your name if you want to the credits. ;)

[adi-zz]

Yes.. I could have anticipated the extra changes in that chapter. As I saw, I think you did the in the meanwhile. My name is Adi, but don't bother regarding the credits, I just fixed some small typos. :)

[bebraw]

Ok, cool. 👍