LXC: Delete unused variable src in lxcContainerMountBasicFS
LXC: Delete unused variable src in lxcContainerMountBasicFS

There is no code use the variable "src" in lxcContainerMountBasicFS.
so delete it and VIR_FREE.

Signed-off-by: Gao feng <7e9c653c8ec3abfdd967a0616fd143ca77e7b405@cn.fujitsu.com>

trainstack/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,taget/libvirt,rmarwaha/libvirt1,rlaager/libvirt,crobinso/libvirt,libvirt/libvirt,emaste/libvirt,siboulet/libvirt-openvz,novel/fbsd-libvirt,wiedi/libvirt,trainstack/libvirt,jeckersb/libvirt,bjzhang/libvirt,cbosdo/libvirt,elmarco/libvirt,shugaoye/libvirt,jardasgit/libvirt,dumbbell/libvirt,shugaoye/libvirt,olafhering/libvirt,andreabolognani/libvirt,rmarwaha/libvirt,nertpinx/libvirt,trainstack/libvirt,crobinso/libvirt,crobinso/libvirt,rlaager/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,eskultety/libvirt,rlaager/libvirt,andreabolognani/libvirt,iam-TJ/libvirt,zippy2/libvirt,olafhering/libvirt,wiedi/libvirt,novel/fbsd-libvirt,emaste/libvirt,VenkatDatta/libvirt,datto/libvirt,taget/libvirt,crobinso/libvirt,elmarco/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,trainstack/libvirt,zhlcindy/libvirt-1.1.4-maintain,rmarwaha/libvirt,cbosdo/libvirt,rmarwaha/libvirt1,warewolf/libvirt,VenkatDatta/libvirt,datto/libvirt,datto/libvirt,jardasgit/libvirt,jeckersb/libvirt,fabianfreyer/libvirt,jeckersb/libvirt,iam-TJ/libvirt,VenkatDatta/libvirt,jeckersb/libvirt,olafhering/libvirt,wiedi/libvirt,rlaager/libvirt,cbosdo/libvirt,emaste/libvirt,warewolf/libvirt,nertpinx/libvirt,shugaoye/libvirt,iam-TJ/libvirt,dumbbell/libvirt,jardasgit/libvirt,novel/fbsd-libvirt,andreabolognani/libvirt,agx/libvirt,siboulet/libvirt-openvz,wiedi/libvirt,novel/fbsd-libvirt,elmarco/libvirt,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,nertpinx/libvirt,jfehlig/libvirt,rmarwaha/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,bjzhang/libvirt,wiedi/libvirt,libvirt/libvirt,eskultety/libvirt,bjzhang/libvirt,jeckersb/libvirt,nertpinx/libvirt,emaste/libvirt,warewolf/libvirt,novel/fbsd-libvirt,siboulet/libvirt-openvz,cbosdo/libvirt,libvirt/libvirt,rmarwaha/libvirt,andreabolognani/libvirt,iam-TJ/libvirt,novel/fbsd-libvirt,shugaoye/libvirt,warewolf/libvirt,datto/libvirt,jeckersb/libvirt,dumbbell/libvirt,agx/libvirt,dumbbell/libvirt,eskultety/libvirt,zippy2/libvirt,andreabolognani/libvirt,emaste/libvirt,rmarwaha/libvirt1,zhlcindy/libvirt-1.1.4-maintain,trainstack/libvirt,warewolf/libvirt,libvirt/libvirt,siboulet/libvirt-openvz,novel/fbsd-libvirt,trainstack/libvirt,siboulet/libvirt-openvz,emaste/libvirt,jfehlig/libvirt,rmarwaha/libvirt,iam-TJ/libvirt,elmarco/libvirt,zippy2/libvirt,emaste/libvirt,taget/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,wiedi/libvirt,jeckersb/libvirt,taget/libvirt,shugaoye/libvirt,olafhering/libvirt,bjzhang/libvirt,elmarco/libvirt,taget/libvirt,agx/libvirt,iam-TJ/libvirt,rmarwaha/libvirt1,eskultety/libvirt,cbosdo/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,agx/libvirt,zhlcindy/libvirt-1.1.4-maintain,bjzhang/libvirt,warewolf/libvirt,nertpinx/libvirt,wiedi/libvirt,jardasgit/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt1,trainstack/libvirt,novel/fbsd-libvirt,jfehlig/libvirt,dumbbell/libvirt,datto/libvirt,zippy2/libvirt,agx/libvirt,rmarwaha/libvirt,warewolf/libvirt