lxc: Clang is complaining about possible NULL pointer.
lxc: Clang is complaining about possible NULL pointer.

The array "mount" inside lxc_container is not being checked before for
loop. Clang syntax scan is complaining about this segmentation fault.

Signed-off-by: Julio Faracco <a9e27ab562b8d02c0041eb70cde6fe3858219fb7@gmail.com>
Reviewed-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

eskultety/libvirt,jardasgit/libvirt,jardasgit/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,jardasgit/libvirt,libvirt/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,nertpinx/libvirt,jfehlig/libvirt,olafhering/libvirt,zippy2/libvirt,jfehlig/libvirt,libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,crobinso/libvirt,eskultety/libvirt,olafhering/libvirt,libvirt/libvirt,nertpinx/libvirt,eskultety/libvirt,fabianfreyer/libvirt,crobinso/libvirt,fabianfreyer/libvirt,crobinso/libvirt,jfehlig/libvirt,libvirt/libvirt,crobinso/libvirt,andreabolognani/libvirt,zippy2/libvirt,andreabolognani/libvirt,olafhering/libvirt,fabianfreyer/libvirt,zippy2/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,olafhering/libvirt,andreabolognani/libvirt,jfehlig/libvirt,andreabolognani/libvirt