cfg.mk: Fix whitespaces
cfg.mk: Fix whitespaces

Just to align the backslashes with most of the file.

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

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