Fontconfig warning: using without calling FcInit()

[ketas]

Describe the bug
A clear and concise description of what the bug is.
a crobjob started outputting "Fontconfig warning: using without calling FcInit()"

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
   cron

Expected behavior
A clear and concise description of what you expected to happen.
no ouput

Screenshots & Logs
If applicable, please add screenshots and/or logs to help explain your problem.

Desktop (please complete the following information):

• OS+Distribution Version: [e.g. Ubuntu 16.04, FreeBSD 10]
• Browser (if relevant) [e.g. chrome, safari]
• Munin Version [e.g. 2.0.35]
  FreeBSD 13.5-RELEASE
  2.0.76

Additional context
Add any other context about the problem here.
after recent update of deps