BERLIN (Reuters) - Persil maker Henkel reported another quarter of decline on Thursday as its adhesives business was hit by a slowdown in the automotive sector and its beauty unit battled fierce competition in western Europe and destocking in China. Last month, Henkel announced that Chief Financial Officer Carsten Knobel would take over as chief executive from Hans Van Bylen in January after a string of poor results.Third-quarter sales fell by a like-for-like 0.3% to 5.077 billion euros..