eclass/cron: minor dash

BUG=b/179427028
TEST=presubmit
RELEASE_NOTE=None

Change-Id: I90aec8c7ba8a1344af6789789f7eda9a8f6f4e7c
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/13215
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
1 file changed