hostdev: Minor style adjustments
hostdev: Minor style adjustments

Mostly labels names and whitespace.

No functional changes.

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