New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/33066#discussion_r1096122102

Comment:
```suggestion
configure_args="--disable-static --with-pppd-plugin-dir=/usr/lib/pppd/$_pppver"
```
this is not correct, other networkmanager vpn clients use `/usr/libexec` (see `xlocate /usr/libexec/nm-`)