Fix incorrect const pointer to const syntax.

[Ivan]

It causes corresponding warnings. A patch file is included (I couldn’t find how to create a PR).

[Martin Albrecht]

You can create PRs here: https://bitbucket.org/malb/m4rie/pull-requests/

[Ivan]

I would if I could.

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[Martin Albrecht]

This is odd (apparently other people are reporting this as well). What happens when you try to create the PR on your fork and then select this repo as the target?

[Ivan]

That worked indeed, thank you for your patience.

[Martin Albrecht]

Nah, thanks for your perseverance to improve M4RI when faced with a weird UI! Thanks!