Fix Dockerfile
Fix Dockerfile

Building the workspace docker image with Dockerfile-71 failed because
of missing "&&"

jinnawat/laradock,Harmonic/laradock,Harmonic/laradock,arkadiusjonczek/laradock,jfoliveira/laradock,cjnchk/laradock,cjnchk/laradock,zuohuadong/laradock,Harmonic/laradock,a-h-abid/laradock,ancon/laradock,arkadiusjonczek/laradock,zuohuadong/laradock,olegl-hyuna/laradock,jcharlesworth/laradock,schiggi/laradock,Harmonic/laradock,jcharlesworth/laradock,bestlong/laradock,cjnchk/laradock,zuohuadong/laradock,jinnawat/laradock,arkadiusjonczek/laradock,ralphowino/laradock,bestlong/laradock,schiggi/laradock,hnquang112/laradock,jinnawat/laradock,luciano-jr/laradock,hnquang112/laradock,hnquang112/laradock,jinnawat/laradock,hp9390/laradock,olegl-hyuna/laradock,hp9390/laradock,bestlong/laradock,luciano-jr/laradock,LaraDock/laradock,bestlong/laradock,arkadiusjonczek/laradock,tharaxodia/laradock,ydatech/yii2-laradock,ancon/laradock,ydatech/yii2-laradock,springjk/laradock,schiggi/laradock,ralphowino/laradock,zuohuadong/laradock,AliveCorpse/laradock,ralphowino/laradock,hnquang112/laradock,jfoliveira/laradock,tharaxodia/laradock,a-h-abid/laradock,springjk/laradock,springjk/laradock,schiggi/laradock,AliveCorpse/laradock,ralphowino/laradock,bestlong/laradock,springjk/laradock,cjnchk/laradock