driver: Move virDrvNetworkGetDHCPLeases to the appropriate section
driver: Move virDrvNetworkGetDHCPLeases to the appropriate section

The prototype was along with domain API prototypes instead of network
API ones.

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