build: make autogen.sh use autoreconf -if
build: make autogen.sh use autoreconf -if

* autogen.sh: Use "autoreconf -if" instead of open-coding it with
manual and unconditional invocation of each separate tool.

libvirt/libvirt,jardasgit/libvirt,foomango/libvirt,warewolf/libvirt,zippy2/libvirt,soulxu/libvirt-xuhj,siboulet/libvirt-openvz,novel/fbsd-libvirt,rmarwaha/libvirt1,soulxu/libvirt-xuhj,warewolf/libvirt,iam-TJ/libvirt,agx/libvirt,foomango/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt,kantai/libvirt-vfork,jardasgit/libvirt,crobinso/libvirt,agx/libvirt,eskultety/libvirt,elmarco/libvirt,novel/fbsd-libvirt,wiedi/libvirt,trainstack/libvirt,jeckersb/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,bjzhang/libvirt,nertpinx/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,jeckersb/libvirt,zippy2/libvirt,jeckersb/libvirt,danwent/libvirt-ovs,elmarco/libvirt,rmarwaha/libvirt,rlaager/libvirt,rmarwaha/libvirt,usc-isi/libvirt,usc-isi/libvirt,trainstack/libvirt,emaste/libvirt,trainstack/libvirt,iam-TJ/libvirt,siboulet/libvirt-openvz,fabianfreyer/libvirt,rmarwaha/libvirt1,iam-TJ/libvirt,nertpinx/libvirt,novel/fbsd-libvirt,emaste/libvirt,andreabolognani/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,taget/libvirt,zhlcindy/libvirt-1.1.4-maintain,iam-TJ/libvirt,zippy2/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt,warewolf/libvirt,bjzhang/libvirt,rmarwaha/libvirt1,dumbbell/libvirt,jfehlig/libvirt,leilihh/libvirt,zippy2/libvirt,amery/libvirt-vserver,rlaager/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,elmarco/libvirt,wiedi/libvirt,trainstack/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,warewolf/libvirt,shugaoye/libvirt,jardasgit/libvirt,soulxu/libvirt-xuhj,emaste/libvirt,shugaoye/libvirt,datto/libvirt,iam-TJ/libvirt,andreabolognani/libvirt,jeckersb/libvirt,cbosdo/libvirt,cbosdo/libvirt,datto/libvirt,libvirt/libvirt,amery/libvirt-vserver,taget/libvirt,novel/fbsd-libvirt,leilihh/libvirt,dumbbell/libvirt,dumbbell/libvirt,elmarco/libvirt,wiedi/libvirt,taget/libvirt,crobinso/libvirt,jfehlig/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,kantai/libvirt-vfork,bjzhang/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,crobinso/libvirt,warewolf/libvirt,usc-isi/libvirt,VenkatDatta/libvirt,rlaager/libvirt,kantai/libvirt-vfork,siboulet/libvirt-openvz,eskultety/libvirt,andreabolognani/libvirt,wiedi/libvirt,rbu/libvirt,jeckersb/libvirt,danwent/libvirt-ovs,elmarco/libvirt,nertpinx/libvirt,leilihh/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,novel/fbsd-libvirt,taget/libvirt,leilihh/libvirt,cbosdo/libvirt,eskultety/libvirt,novel/fbsd-libvirt,leilihh/libvirt,dumbbell/libvirt,sshah-solarflare/Libvirt-PCI-passthrough-,wiedi/libvirt,emaste/libvirt,wiedi/libvirt,usc-isi/libvirt,siboulet/libvirt-openvz,danwent/libvirt-ovs,shugaoye/libvirt,rbu/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jfehlig/libvirt,rlaager/libvirt,datto/libvirt,dumbbell/libvirt,jeckersb/libvirt,bjzhang/libvirt,amery/libvirt-vserver,foomango/libvirt,soulxu/libvirt-xuhj,VenkatDatta/libvirt,rmarwaha/libvirt,shugaoye/libvirt,jardasgit/libvirt,cbosdo/libvirt,olafhering/libvirt,wiedi/libvirt,novel/fbsd-libvirt,amery/libvirt-vserver,VenkatDatta/libvirt,fabianfreyer/libvirt,taget/libvirt,datto/libvirt,emaste/libvirt,rbu/libvirt,rbu/libvirt,foomango/libvirt,siboulet/libvirt-openvz,olafhering/libvirt,agx/libvirt,cbosdo/libvirt,rmarwaha/libvirt,usc-isi/libvirt,amery/libvirt-vserver,kantai/libvirt-vfork,emaste/libvirt,zhlcindy/libvirt-1.1.4-maintain,warewolf/libvirt,trainstack/libvirt,olafhering/libvirt,crobinso/libvirt,novel/fbsd-libvirt,olafhering/libvirt,agx/libvirt,rbu/libvirt,rmarwaha/libvirt1,soulxu/libvirt-xuhj,jfehlig/libvirt,datto/libvirt,trainstack/libvirt,rmarwaha/libvirt1,agx/libvirt,zhlcindy/libvirt-1.1.4-maintain,shugaoye/libvirt,dumbbell/libvirt,danwent/libvirt-ovs,zhlcindy/libvirt-1.1.4-maintain,foomango/libvirt,rlaager/libvirt,libvirt/libvirt,iam-TJ/libvirt,libvirt/libvirt,iam-TJ/libvirt,danwent/libvirt-ovs,eskultety/libvirt,trainstack/libvirt,leilihh/libvirt,jardasgit/libvirt,bjzhang/libvirt,emaste/libvirt,kantai/libvirt-vfork,nertpinx/libvirt,warewolf/libvirt