Fixes bug where rootfs was empty instead of pwd when not specified.
Fixes bug where rootfs was empty instead of pwd when not specified.

Signed-off-by: Mrunal Patel <d389837b018b67489df74a2c5f0aca13aaed44b6@gmail.com>

whuwxl/libcontainer,navidshaikh/runc,chenchun/runc,rhatdan/runc,sunyuan3/runc,dqminh/runc,calavera/runc,kimh/runc,boucher/runc,Mashimiao/libcontainer,nkwilson/runc,keloyang/libcontainer,hqhq/runc,markllama/runc,clnperez/runc,mheon/libcontainer,mikebrow/runc,docker/libcontainer,stefanberger/runc,wangkirin/runc,mheon/libcontainer,adrianreber/runc,maxamillion/runc,kimh/runc,jhjeong-kr/runc,opencontainers/runc,clnperez/runc,laijs/runc,keloyang/runc,InformatiQ/runc,talwai/runc,BrickXu/libcontainer,hxfeng/runc,talwai/runc,chenchun/runc,willmtemple/runc,zhangyancoder/libcontainer,ChengTiesheng/runc,liuwharton/runc,tangkun75/libcontainer,clnperez/runc,whosthatknocking/runc,rsampaio/runc,rhatdan/libcontainer,zhangyancoder/libcontainer,wking/runc,hqhq/libcontainer,estesp/runc,whuwxl/libcontainer,docker/runc,avagin/runc,gwoo/runc,kolyshkin/runc,dieface/runc,lizf-os/runc,rhatdan/libcontainer,rajasec/runc,abduld/runc,hxfeng/runc,jwuwork/runc,LK4D4/runc,ycaihua/runc,ZJU-SEL/libcontainer,shishir-a412ed/runc,dieface/runc,hqhq/runc,rajasec/runc,axsh/runc,SaiedKazemi/libcontainer-criu,estesp/libcontainer,crosbymichael/runc,ycaihua/libcontainer,boucher/runc,markllama/runc,han-wang/runc,cxxly/runc,Microsoft/libcontainer,HuKeping/runc,marcosnils/runc,Microsoft/libcontainer,tangkun75/libcontainer,justincormack/runc,tangkun75/libcontainer,thaJeztah/libcontainer,whuwxl/libcontainer,shenxiaochen/libcontainer,keloyang/libcontainer,runcom/libcontainer,jhjeong-kr/runc,keloyang/libcontainer,dqminh/libcontainer,balajibr/runc,maxamillion/runc,wangkirin/runc,ekuric/runc,mrunalp/runc,mrunalp/runc,w4ngyi/libcontainer,marcosnils/runc,wcwxyz/runc,keloyang/runc,ekuric/runc,laijs/runc,keloyang/libcontainer,cloudfoundry-incubator/runc,meihuabo/runc,stefanberger/runc,wking/runc,rhatdan/runc,hqhq/runc,LK4D4/runc,xiaochenshen/runc,talwai/runc,ddnbgroup/runc,zenlinTechnofreak/runc,HuKeping/runc,mheon/runc,gitido/runc,thaJeztah/libcontainer,w4ngyi/libcontainer,wcwxyz/runc,dqminh/runc,sallyom/runc,mapk0y/runc,shishir-a412ed/runc,albertoleal/runc,ZJU-SEL/runc,rhatdan/runc,kimh/runc,balajibr/runc,justincormack/runc,sunyuan3/runc,cyphar/runc,vbatts/runc,mheon/libcontainer,ddnbgroup/runc,balajibr/runc,haijunTan/runc,shishir-a412ed/runc,jhowardmsft/runc,boucher/runc,crosbymichael/runc,kolyshkin/runc,ycaihua/libcontainer,boucher/libcontainer,w4ngyi/libcontainer,fabiokung/runc,jwuwork/runc,dieface/runc,stefanberger/runc,markllama/runc,abduld/runc,subuser-security/runc,ddnbgroup/runc,docker/runc,ZJU-SEL/libcontainer,han-wang/runc,InformatiQ/runc,aidanhs/runc,runcom/runc,boucher/libcontainer,ZJU-SEL/runc,adrianreber/runc,aidanhs/runc,thaJeztah/libcontainer,inatatsu/runc,meihuabo/runc,cxxly/runc,carlye566/runc,shenxiaochen/libcontainer,docker/libcontainer,HuKeping/runc,dqminh/libcontainer,nkwilson/runc,rootfs/runc,HardikDR/runc,crosbymichael/libcontainer,crosbymichael/libcontainer,LTD-Beget/libcontainer,runcom/libcontainer,kolyshkin/runc,wcwxyz/runc,HardikDR/runc,LTD-Beget/libcontainer,rootfs/runc,BrickXu/libcontainer,estesp/runc,InformatiQ/runc,intfrr/runc,dqminh/runc,ycaihua/runc,LK4D4/runc,mheon/runc,sunyuan3/runc,intfrr/runc,estesp/runc,docker/libcontainer,hxfeng/runc,cxxly/runc,rootfs/runc,gitido/runc,xiaochenshen/runc,booyaa/runc,justincormack/runc,rajasec/runc,LTD-Beget/libcontainer,rhatdan/runc,liuwharton/runc,chenchun/runc,opencontainers/runc,axsh/runc,inatatsu/runc,fabiokung/runc,willmtemple/runc,ChengTiesheng/runc,YujiOshima/runc,albertoleal/runc,xiaochenshen/runc,intfrr/runc,wking/runc,YujiOshima/runc,inatatsu/runc,willmtemple/runc,maxamillion/runc,estesp/libcontainer,whosthatknocking/runc,cyphar/runc,lizf-os/runc,carlye566/runc,meihuabo/runc,hqhq/libcontainer,gitido/runc,ycaihua/libcontainer,mrunalp/runc,jhowardmsft/runc,mYmNeo/runc,whosthatknocking/runc,ChengTiesheng/runc,dqminh/libcontainer,sallyom/runc,han-wang/runc,cloudfoundry-incubator/runc,rhatdan/libcontainer,WeiZhang555/runc,dqminh/runc,YujiOshima/runc,mYmNeo/runc,marcosnils/runc,SaiedKazemi/libcontainer-criu,coolljt0725/runc,Microsoft/libcontainer,albertoleal/runc,crosbymichael/libcontainer,vbatts/runc,carlye566/runc,wangkirin/runc,boucher/libcontainer,shenxiaochen/libcontainer,calavera/runc,opencontainers/runc,nkwilson/runc,navidshaikh/runc,zenlinTechnofreak/runc,laijs/runc,docker/runc,Mashimiao/libcontainer,runcom/runc,mheon/runc,keloyang/runc,coolljt0725/runc,cloudfoundry-incubator/runc,crosbymichael/runc,abduld/runc,haijunTan/runc,subuser-security/runc,runcom/libcontainer,cyphar/runc,subuser-security/runc,axsh/runc,avagin/runc,vbatts/runc,lizf-os/runc,ycaihua/runc,WeiZhang555/runc,fabiokung/runc,opencontainers/runc,WeiZhang555/runc,mapk0y/runc,jhowardmsft/runc,calavera/runc,booyaa/runc,aidanhs/runc,adrianreber/runc,ekuric/runc,jwuwork/runc,liuwharton/runc,Mashimiao/libcontainer,booyaa/runc,rsampaio/runc,avagin/runc,hqhq/libcontainer,HardikDR/runc,haijunTan/runc,mapk0y/runc,navidshaikh/runc,mYmNeo/runc,coolljt0725/runc,runcom/runc,SaiedKazemi/libcontainer-criu,kolyshkin/runc,zhangyancoder/libcontainer,mikebrow/runc,BrickXu/libcontainer,rsampaio/runc,sallyom/runc,jhjeong-kr/runc,ZJU-SEL/libcontainer,zenlinTechnofreak/runc,ZJU-SEL/runc,mikebrow/runc,estesp/libcontainer