h265parser: get ref_pic
h265parser: get ref_pic

if slice->short_term_ref_pic_set_sps_flag is false, we should use
slice->short_term_ref_pic_sets instead of sps->short_term_ref_pic_set[CurrRpsIdx]
according to previous analysis at line 2108.

uartie/libyami,YuJiankang/libyami,stripes416/libyami,seanvk/libyami,YuJiankang/libyami,zhaobob/libyami,seanvk/libyami,dspmeng/libyami,chivakker/libyami,01org/libyami,clearlylin/libyami,01org/libyami,stripes416/libyami,halleyzhao/libyami,zhaobob/libyami,chivakker/libyami,halleyzhao/libyami,yizhouwei/libyami,seanvk/libyami,dspmeng/libyami,uartie/libyami,andyLiuChina/libyami,uartie/libyami,zhaobob/libyami,lizhong1008/libyami,BtbN/libyami,clearlylin/libyami,clearlylin/libyami,BtbN/libyami,chivakker/libyami,lizhong1008/libyami,YuJiankang/libyami,andyLiuChina/libyami,yizhouwei/libyami,yizhouwei/libyami,andyLiuChina/libyami,dspmeng/libyami,andyLiuChina/libyami,stripes416/libyami,halleyzhao/libyami,halleyzhao/libyami,lizhong1008/libyami,BtbN/libyami,BtbN/libyami,01org/libyami