try to build shared library on windows

[izahn]

Checklist

• [x] Used a personal fork of the feedstock to propose changes
• [x] Bumped the build number (if the version is unchanged)
• [x] 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)
• [x] Ensured the license file is being packaged.

Fixes https://github.com/conda-forge/tesseract-feedstock/issues/35

[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.

[izahn]

build logs: https://dev.azure.com/conda-forge/feedstock-builds/_build/results?buildId=422939&view=logs&jobId=a70f640f-cc53-5cd3-6cdc-236a1aa90802&j=a70f640f-cc53-5cd3-6cdc-236a1aa90802&t=f5d15007-a01c-5ad8-c9ce-4d519d3b275f

artifcts: https://dev.azure.com/conda-forge/feedstock-builds/_build/results?buildId=427414&view=artifacts&pathAsName=false&type=publishedArtifacts

[izahn]

@conda-forge-admin please rerender

[github-actions[bot]]

Hi! This is the friendly conda-forge automerge bot!

I considered the following status checks when analyzing this PR:

• linter: passed
• travis: passed
• azure: passed

Thus the PR was passing, but could not be merged (error=API error in POST to merge).