Fix a compilation failure if yajl not avail
Fix a compilation failure if yajl not avail

configure:     yajl: no
CC     libvirt_util_la-json.lo
util/json.c:32:27: error: yajl/yajl_gen.h: No such file or directory
util/json.c:33:29: error: yajl/yajl_parse.h: No such file or directory

* src/util/json.c: remove the includes if yajl not configured in

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