New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/21758#issuecomment-626207501

Comment:
> Pretty impressive. I wonder if we can find something better than _electronver=7.2.3.

I could workaround by using 
```bash
_electronver=$(xbps-uhelper version electron7)
_electronver=${_electronver%_*}
```
on top of every function