build: avoid python 2.4 build failure
build: avoid python 2.4 build failure

On RHEL 5, I got:

/usr/bin/python ./generator.py /usr/bin/python
  File "./generator.py", line 427
    "virStreamFree", # Needed in custom virStream __del__, but free shouldn't
                   ^
SyntaxError: invalid syntax

* python/generator.py (function_skip_python_impl): Use same syntax
as other skip lists.

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