Dreamview: Fix dreamview crash when ssl_certificate doesn't exist
Dreamview: Fix dreamview crash when ssl_certificate doesn't exist

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