Midnight Commander has multiple entries in menu

Forum member tigerflag reported this:

https://forum.puppylinux.com/viewtopic.php?p=163664#p163664

I have edited the script /usr/local/petget/installpkg.sh to fix this.

There may still be an issue with the icon not appearing in the menu, but I'm unsure of the logic to fix it, so will just implement the category fix for now, which might have a flow-on effect to fix the icon.   

Tags: easy