We should use SPDX-License-Identifer in the source filess

[enaess]

Just a request to tag each source file with the correct SPDX-License-Identifier.

Example

/* SPDX-License-Identifier: LGPL-2.1-or-later */

[Neustradamus]

@paulusmack: What do you think?

Linked to the comment:

• https://github.com/ppp-project/ppp/issues/245#issuecomment-1379546419

[paulusmack]

Yes, probably a good idea.

[Neustradamus]

@paulusmack, @enaess: Good to see before 2.5.1?

[enaess]

It would be a quick one line change in all source files ...

[Neustradamus]

@paulusmack, @enaess: It will be done before 2.5.1 release build?

[enaess]

I am pretty much out for the rest of the year. Got two kids on my hands in a non-child proofed home... (Out traveling)