fix(users/Profpatsch/lib/eprintenv): don’t crash when env is missing r/2212

eprintenv is a debugging tool, as such the code should probably not
crash when the environment variable we want to look at is missing.
But we can print a warning instead.

Change-Id: I41a24dc0c1cc488587563b85c1adbd089dd364f2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2525
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

0 files changed, 0 insertions, 0 deletions