psensor: upstream gcc compiler issue

psensor can't build from sources with default GCC version.

Debian

• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=984298

added 11.0 LTS label

mentioned in issue #35 (closed)

mentioned in issue #46 (closed)

mentioned in merge request !873 (merged)

fixed by !873 (merged)

closed