xenconfig: fix boot device parsing
xenconfig: fix boot device parsing

The original code always checked *boot which was in effect boot[0]. It
should use boot[i].

Signed-off-by: Wei Liu <a5240e9e4c4d742e3a4232ca749f78defd45d722@citrix.com>

taget/libvirt,elmarco/libvirt,nertpinx/libvirt,nertpinx/libvirt,andreabolognani/libvirt,shugaoye/libvirt,agx/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,libvirt/libvirt,elmarco/libvirt,eskultety/libvirt,datto/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,datto/libvirt,jardasgit/libvirt,zippy2/libvirt,jfehlig/libvirt,andreabolognani/libvirt,rlaager/libvirt,fabianfreyer/libvirt,agx/libvirt,taget/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,elmarco/libvirt,jfehlig/libvirt,olafhering/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,datto/libvirt,nertpinx/libvirt,zippy2/libvirt,crobinso/libvirt,jfehlig/libvirt,zippy2/libvirt,libvirt/libvirt,olafhering/libvirt,rlaager/libvirt,fabianfreyer/libvirt,agx/libvirt,crobinso/libvirt,andreabolognani/libvirt,olafhering/libvirt,jardasgit/libvirt,jardasgit/libvirt,taget/libvirt,shugaoye/libvirt,shugaoye/libvirt,jardasgit/libvirt,agx/libvirt,crobinso/libvirt,eskultety/libvirt,fabianfreyer/libvirt,datto/libvirt,elmarco/libvirt,rlaager/libvirt,eskultety/libvirt,rlaager/libvirt,crobinso/libvirt,elmarco/libvirt,libvirt/libvirt,agx/libvirt,rlaager/libvirt,VenkatDatta/libvirt,datto/libvirt,taget/libvirt,zippy2/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,eskultety/libvirt,olafhering/libvirt,jardasgit/libvirt,taget/libvirt,libvirt/libvirt,shugaoye/libvirt,eskultety/libvirt,andreabolognani/libvirt,shugaoye/libvirt