 he wants the wine has been around the sun completely. the letter ha in his saying around it is a metaphor for the sun because he mentioned the sun in the first verse so the metaphor is good.
يريد، استوقت الخمر حول الشمس كملا. فالهاء فى قوله حولها كناية عن الشمس لأنه ٥ ذكر الشمس فى البيت الأول، فحسنت الكناية