Trying to eat Cow Pie in Inventory, Jet Pack turns on instead

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What steps will reproduce the problem?
1. Scroll Inventory till you get to Cow Pie.
2. Hit the Use Inventory key (Enter)
3. You fly, jet pack hiss is heard.

What is the expected output? What do you see instead?
Eating Cow Pie is to restore your health and lower your Drunk level. It turns 
on the jet pack instead.

What version of the product are you using? On what operating system?
Says in the startup dialog, eRampage 2.0.0 devel May 10 2010.
Win7pro 64-bit.

Original issue reported on code.google.com by [email protected] on 12 Apr 2013 at 11:06