conf: Improve the coding style
conf: Improve the coding style

Add spaces around "<<", and remove the useless blank-line.

zippy2/libvirt,taget/libvirt,taget/libvirt,libvirt/libvirt,datto/libvirt,cbosdo/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,elmarco/libvirt,rlaager/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,olafhering/libvirt,rlaager/libvirt,fabianfreyer/libvirt,crobinso/libvirt,crobinso/libvirt,andreabolognani/libvirt,elmarco/libvirt,agx/libvirt,andreabolognani/libvirt,rlaager/libvirt,jfehlig/libvirt,cbosdo/libvirt,elmarco/libvirt,nertpinx/libvirt,cbosdo/libvirt,nertpinx/libvirt,datto/libvirt,olafhering/libvirt,taget/libvirt,VenkatDatta/libvirt,rlaager/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,agx/libvirt,zippy2/libvirt,taget/libvirt,eskultety/libvirt,cbosdo/libvirt,elmarco/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,olafhering/libvirt,eskultety/libvirt,andreabolognani/libvirt,libvirt/libvirt,taget/libvirt,rlaager/libvirt,libvirt/libvirt,nertpinx/libvirt,elmarco/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,andreabolognani/libvirt,shugaoye/libvirt,jardasgit/libvirt,eskultety/libvirt,jfehlig/libvirt,agx/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,datto/libvirt,jfehlig/libvirt,agx/libvirt,zippy2/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,crobinso/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,andreabolognani/libvirt,nertpinx/libvirt,jardasgit/libvirt,jardasgit/libvirt,jardasgit/libvirt,shugaoye/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,libvirt/libvirt,eskultety/libvirt,nertpinx/libvirt,zippy2/libvirt