Beams broken from 2.1.12

[Bertalan Fodor]

Beams has been broken between 2.1.11 and 2.1.12 and they are still broken in
2.1.16 (I wasn't able to build 2.1.14)

I get thin slanted lines instead of beans. See attached image.
Attached generated tex file to help.

Regards,

Bert

11.tex
Description: Binary data

11.png
Description: PNG image

11.ly
Description: Text Data

12.tex
Description: Binary data

12.png
Description: PNG image