[0.18.1722] Caravan ; Day of food : 0, will spoil in 0.7 days

[NeverPire]

Circumstances :
A caravan have only some raw food left, less than needed for one day.

What happens :
The game tell rightly that I have only 0 day of food left but tell too the spoilage time, which leads to some confusion.

What should happen :
The game doesn't display the spoilage time when reaching 0 days or displays decimals of food days left.

Attachments :
Screenshot and savefile (vanilla version)

https://drive.google.com/open?id=16A5eNR9hZ9Ziy5NZ08DuMvb0Us3tAIWV


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