[1.2] Finding a cannon on shipwrecks not always awards one

[Visenya]

I've noticed that, in some cases, the shipwrecks don't award properly a cannon when one is discovered aboard.

I can't say whose, but sometimes it is added to the inventory, some others no.

 

https://www.dropbox.com/s/qaqy8wzlgyo8lc9/Cannon.zip?dl=0