Fix behavior on Apple Silicon

[hoechenberger]

Currently, OpenBLAS is broken on M1 machines and yields incorrect results (see #139).

The fix for that problem will be included in the next release of OpenBLAS, but it's unclear when the release will actually happen.

This means that currently, anyone using this version of OpenBLAS on Apple Silicon may end up with incorrect calculations: effectively, this package is broken on Apple Silicon!

The fix is a simple one-liner. Hence, I propose to "backport" this patch here, and bump the build number.

This change will only affect M1 users; behavior on all other platforms will be unaffected.

Closes #139

Checklist

• [x] Used a personal fork of the feedstock to propose changes
• [x] Bumped the build number (if the version is unchanged)
• [ ] Reset the build number to 0 (if the version changed)
• [x] Re-rendered with the latest conda-smithy (Use the phrase code>@<space/conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• [ ] Ensured the license file is being packaged.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[hoechenberger]

I am not sure why the Travis build time out.

[hoechenberger]

Aside from Travis, all CI systems come back green.

[hoechenberger]

@conda-forge-admin, please restart ci

[hoechenberger]

I'd go so far as to ask the feedstock maintainers to mark existing arm64 builds as broken / remove them from anaconda.org unless we manage to get this PR merged ASAP (in which case one could always just ask users to simply use the latest build)

[h-vetinari]

I'd go so far as to ask the feedstock maintainers to mark existing arm64 builds as broken / remove them from anaconda.org unless we manage to get this PR merged ASAP (in which case one could always just ask users to simply use the latest build)

Fine by me - I wasn't aware of the urgency. I had restarted travis manually already, but since osx-arm isn't built on travis, I don't see a reason why we have to wait.

[h-vetinari]

Since this was green on azure without any changes since then, I'm merging.

[hoechenberger]

Thank you so much, @h-vetinari!

As soon as this hits the CDN, @larsoner and I will start some serious testing to confirm everything works as expected.

We'll report back with any success stories & problem reports.

Thanks again for the super swift action!

[larsoner]

Thanks @h-vetinari I'll sleep better at night now knowing all those SVDs won't be silently broken anymore :)