util: export virBufferTrim
util: export virBufferTrim

This was forgotten in commit cdb87b1c4b3c325c61e2a6a7d8edcca3ca73a765.

emaste/libvirt,siboulet/libvirt-openvz,rmarwaha/libvirt1,dumbbell/libvirt,datto/libvirt,jeckersb/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,eskultety/libvirt,trainstack/libvirt,rlaager/libvirt,warewolf/libvirt,siboulet/libvirt-openvz,andreabolognani/libvirt,dumbbell/libvirt,emaste/libvirt,iam-TJ/libvirt,iam-TJ/libvirt,jardasgit/libvirt,novel/fbsd-libvirt,warewolf/libvirt,rlaager/libvirt,trainstack/libvirt,fabianfreyer/libvirt,iam-TJ/libvirt,jardasgit/libvirt,wiedi/libvirt,warewolf/libvirt,zippy2/libvirt,eskultety/libvirt,novel/fbsd-libvirt,elmarco/libvirt,rlaager/libvirt,elmarco/libvirt,taget/libvirt,libvirt/libvirt,shugaoye/libvirt,warewolf/libvirt,jeckersb/libvirt,jardasgit/libvirt,warewolf/libvirt,dumbbell/libvirt,fabianfreyer/libvirt,dumbbell/libvirt,bjzhang/libvirt,zippy2/libvirt,dumbbell/libvirt,agx/libvirt,zhlcindy/libvirt-1.1.4-maintain,taget/libvirt,olafhering/libvirt,siboulet/libvirt-openvz,zippy2/libvirt,datto/libvirt,VenkatDatta/libvirt,datto/libvirt,novel/fbsd-libvirt,iam-TJ/libvirt,andreabolognani/libvirt,rmarwaha/libvirt,jeckersb/libvirt,novel/fbsd-libvirt,rlaager/libvirt,warewolf/libvirt,trainstack/libvirt,jeckersb/libvirt,zippy2/libvirt,crobinso/libvirt,eskultety/libvirt,wiedi/libvirt,trainstack/libvirt,zhlcindy/libvirt-1.1.4-maintain,rlaager/libvirt,rmarwaha/libvirt,andreabolognani/libvirt,cbosdo/libvirt,shugaoye/libvirt,bjzhang/libvirt,novel/fbsd-libvirt,shugaoye/libvirt,elmarco/libvirt,jfehlig/libvirt,siboulet/libvirt-openvz,novel/fbsd-libvirt,novel/fbsd-libvirt,dumbbell/libvirt,eskultety/libvirt,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,datto/libvirt,crobinso/libvirt,shugaoye/libvirt,nertpinx/libvirt,nertpinx/libvirt,nertpinx/libvirt,olafhering/libvirt,emaste/libvirt,emaste/libvirt,eskultety/libvirt,elmarco/libvirt,novel/fbsd-libvirt,wiedi/libvirt,crobinso/libvirt,VenkatDatta/libvirt,bjzhang/libvirt,emaste/libvirt,jardasgit/libvirt,bjzhang/libvirt,agx/libvirt,rmarwaha/libvirt1,fabianfreyer/libvirt,taget/libvirt,rmarwaha/libvirt1,VenkatDatta/libvirt,VenkatDatta/libvirt,libvirt/libvirt,datto/libvirt,warewolf/libvirt,shugaoye/libvirt,cbosdo/libvirt,bjzhang/libvirt,rmarwaha/libvirt,wiedi/libvirt,jeckersb/libvirt,nertpinx/libvirt,wiedi/libvirt,jfehlig/libvirt,libvirt/libvirt,emaste/libvirt,iam-TJ/libvirt,fabianfreyer/libvirt,trainstack/libvirt,rmarwaha/libvirt1,olafhering/libvirt,taget/libvirt,emaste/libvirt,rmarwaha/libvirt1,jfehlig/libvirt,nertpinx/libvirt,rmarwaha/libvirt,taget/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,rmarwaha/libvirt1,rmarwaha/libvirt,agx/libvirt,iam-TJ/libvirt,rmarwaha/libvirt,iam-TJ/libvirt,jeckersb/libvirt,cbosdo/libvirt,agx/libvirt,agx/libvirt,jeckersb/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,cbosdo/libvirt,andreabolognani/libvirt,crobinso/libvirt,olafhering/libvirt,siboulet/libvirt-openvz,trainstack/libvirt,wiedi/libvirt,trainstack/libvirt,libvirt/libvirt,novel/fbsd-libvirt,elmarco/libvirt,wiedi/libvirt,fabianfreyer/libvirt