Use only spaces for indentation in addon example
Use only spaces for indentation in addon example

Right now, both tabs and spaces are mixed (in some weird way) in this file, making it look strangely in some editors.
eljefedelrodeodeljefe/nan,nodejs/nan,eljefedelrodeodeljefe/nan,gagern/nan,nodejs/nan,addaleax/nan,gagern/nan,eljefedelrodeodeljefe/nan,gagern/nan,addaleax/nan,addaleax/nan,addaleax/nan,nodejs/nan,eljefedelrodeodeljefe/nan,nodejs/nan