Sentence:  The Hound's afraid to go in. Maybe he's afraid the occupants will tell on him, but Beric points out that there's no smoke in the chimney or livestock in the yard, so it's probably deserted. It's not. Inside are the decaying corpses of the farmer and his little girl, in bed together with a knife on the floor. Beric CSIs that they were starving to death, so the man ended the suffering for both of them. And they might not have <WSD>wound up</WSD> that way if they hadn't met the Hound. 
Meaning of the word marked with <WSD> tags:  To end up; to arrive or result.