common: fixed a lru cache bug found by safety team.
common: fixed a lru cache bug found by safety team.

ycool/apollo,ApolloAuto/apollo,xiaoxq/apollo,ycool/apollo,jinghaomiao/apollo,ApolloAuto/apollo,xiaoxq/apollo,ycool/apollo,jinghaomiao/apollo,wanglei828/apollo,jinghaomiao/apollo,wanglei828/apollo,jinghaomiao/apollo,ycool/apollo,ApolloAuto/apollo,xiaoxq/apollo,wanglei828/apollo,ApolloAuto/apollo,xiaoxq/apollo,ApolloAuto/apollo,ApolloAuto/apollo,jinghaomiao/apollo,xiaoxq/apollo,xiaoxq/apollo,wanglei828/apollo,ycool/apollo,jinghaomiao/apollo,wanglei828/apollo,wanglei828/apollo,ycool/apollo