[MC-91383] Horses (now only skeleton horses and zombie horses) drop different amount of loot than before

Before, in 1.8.8 they dropped 0-2 bones/rotten flesh. With lootin III: 0-5 bones/rotten flesh.
In 15w44b they drop always 1 bone/rotten flesh even when killed with looting III.
Loot table is:
For skeleton horse:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:bone"
                }
            ]
        }
    ]
}

but should be:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:bone"
                    "weight": 1,
                    "functions": [
                        {
                            "function": "set_count",
                            "count": {
                                "min": 0,
                                "max": 2
                            }
                        },
                        {
                            "function": "looting_enchant",
                            "count": {
                                "min": 0,
                                "max": 1
                            }
                        }
                    ]
                }
            ]
        }
    ]
}

For zombie horse:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:rotten_flesh"
                }
            ]
        }
    ]
}

but should be:

{
    "pools": [
        {
            "rolls": 1,
            "entries": [
                {
                    "type": "item",
                    "name": "minecraft:rotten_flesh"
                    "weight": 1,
                    "functions": [
                        {
                            "function": "set_count",
                            "count": {
                                "min": 0,
                                "max": 2
                            }
                        },
                        {
                            "function": "looting_enchant",
                            "count": {
                                "min": 0,
                                "max": 1
                            }
                        }
                    ]
                }
            ]
        }
    ]
}