Typo in writting 'overriden' word on line 38 & 44

[Amirhossein Zareian]

In bcrypt.js file in root of the project on line 38 & 44, the 'overridden' was written wrong.

[Nikhil Nishad]

Hi there, first of all I just want to thank you for the opportunity. This is my first time contributing and I decided to have a go at this issue and this is my attempt: #1043