Small refactoring in AHKActionSheet.h
Small refactoring in AHKActionSheet.h

Raizlabs/AHKActionSheet,puvanarajan/AHKActionSheet,lucoceano/AHKActionSheet,haaakon/AHKActionSheet,AlexanderMazaletskiy/AHKActionSheet,ChetanGandhi/AHKActionSheet,fastred/AHKActionSheet,shenhzou654321/AHKActionSheet