Make external/glog use local gflags.
Make external/glog use local gflags.

baidu/Paddle,wen-bo-yang/Paddle,PaddlePaddle/Paddle,hedaoyuan/Paddle,putcn/Paddle,pkuyym/Paddle,livc/Paddle,luotao1/Paddle,reyoung/Paddle,gangliao/Paddle,lispc/Paddle,gangliao/Paddle,emailweixu/Paddle,baidu/Paddle,hedaoyuan/Paddle,emailweixu/Paddle,reyoung/Paddle,lcy-seso/Paddle,cxysteven/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,putcn/Paddle,yu239/Paddle,luotao1/Paddle,livc/Paddle,baidu/Paddle,Canpio/Paddle,pengli09/Paddle,reyoung/Paddle,lispc/Paddle,Canpio/Paddle,QiJune/Paddle,cxysteven/Paddle,lcy-seso/Paddle,hedaoyuan/Paddle,yu239/Paddle,livc/Paddle,Canpio/Paddle,gangliao/Paddle,reyoung/Paddle,pengli09/Paddle,lcy-seso/Paddle,jacquesqiao/Paddle,gangliao/Paddle,emailweixu/Paddle,yu239/Paddle,QiJune/Paddle,hedaoyuan/Paddle,jacquesqiao/Paddle,QiJune/Paddle,pkuyym/Paddle,chengduoZH/Paddle,QiJune/Paddle,tensor-tang/Paddle,emailweixu/Paddle,emailweixu/Paddle,reyoung/Paddle,putcn/Paddle,pengli09/Paddle,pengli09/Paddle,luotao1/Paddle,lispc/Paddle,wen-bo-yang/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,Canpio/Paddle,wen-bo-yang/Paddle,lispc/Paddle,tensor-tang/Paddle,luotao1/Paddle,cxysteven/Paddle,lispc/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,wen-bo-yang/Paddle,yu239/Paddle,yu239/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,lcy-seso/Paddle,gangliao/Paddle,putcn/Paddle,baidu/Paddle,chengduoZH/Paddle,hedaoyuan/Paddle,cxysteven/Paddle,QiJune/Paddle,livc/Paddle,cxysteven/Paddle,emailweixu/Paddle,lispc/Paddle,livc/Paddle,lispc/Paddle,yu239/Paddle,emailweixu/Paddle,PaddlePaddle/Paddle,cxysteven/Paddle,Canpio/Paddle,hedaoyuan/Paddle,wen-bo-yang/Paddle,pengli09/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,livc/Paddle,baidu/Paddle,livc/Paddle,pkuyym/Paddle,luotao1/Paddle,wen-bo-yang/Paddle,chengduoZH/Paddle,yu239/Paddle,lispc/Paddle,luotao1/Paddle,putcn/Paddle,putcn/Paddle,pengli09/Paddle,wen-bo-yang/Paddle,luotao1/Paddle,jacquesqiao/Paddle,hedaoyuan/Paddle,pkuyym/Paddle,tensor-tang/Paddle,hedaoyuan/Paddle,Canpio/Paddle,Canpio/Paddle,gangliao/Paddle,pengli09/Paddle,PaddlePaddle/Paddle,gangliao/Paddle,pkuyym/Paddle,pengli09/Paddle,cxysteven/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,yu239/Paddle,reyoung/Paddle