Fixed: Memory leak.
Fixed: Memory leak.

BITA-app/AQGridView,0xced/AQGridView,shabbirh/AQGridView,shaohung001/AQGridView,BlessNeo/AQGridView,UIKit0/AQGridView,liuchungui/AQGridView,BITA-app/AQGridView,AlanQuatermain/AQGridView,liulinjian/AQGridView,kundanjadhav/AQGridView,shenhzou654321/AQGridView,ondrejstocek/AQGridView,0xced/AQGridView,howandhao/AQGridView,beiliubei/AQGridView,beiliubei/AQGridView