storage: fix leak in virStorageBackendLogicalMakeVol
storage: fix leak in virStorageBackendLogicalMakeVol

Use regfree instead of VIR_FREE.

zippy2/libvirt,eskultety/libvirt,rlaager/libvirt,rlaager/libvirt,fabianfreyer/libvirt,libvirt/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,nertpinx/libvirt,zhlcindy/libvirt-1.1.4-maintain,zippy2/libvirt,taget/libvirt,datto/libvirt,bjzhang/libvirt,elmarco/libvirt,datto/libvirt,cbosdo/libvirt,jardasgit/libvirt,jfehlig/libvirt,trainstack/libvirt,olafhering/libvirt,datto/libvirt,agx/libvirt,trainstack/libvirt,iam-TJ/libvirt,taget/libvirt,siboulet/libvirt-openvz,nertpinx/libvirt,trainstack/libvirt,VenkatDatta/libvirt,iam-TJ/libvirt,eskultety/libvirt,jfehlig/libvirt,olafhering/libvirt,rlaager/libvirt,datto/libvirt,agx/libvirt,nertpinx/libvirt,zhlcindy/libvirt-1.1.4-maintain,bjzhang/libvirt,cbosdo/libvirt,shugaoye/libvirt,zippy2/libvirt,bjzhang/libvirt,jardasgit/libvirt,cbosdo/libvirt,crobinso/libvirt,datto/libvirt,taget/libvirt,eskultety/libvirt,cbosdo/libvirt,VenkatDatta/libvirt,bjzhang/libvirt,iam-TJ/libvirt,elmarco/libvirt,trainstack/libvirt,trainstack/libvirt,agx/libvirt,elmarco/libvirt,iam-TJ/libvirt,libvirt/libvirt,rlaager/libvirt,shugaoye/libvirt,taget/libvirt,taget/libvirt,crobinso/libvirt,libvirt/libvirt,crobinso/libvirt,jfehlig/libvirt,iam-TJ/libvirt,agx/libvirt,siboulet/libvirt-openvz,zhlcindy/libvirt-1.1.4-maintain,trainstack/libvirt,agx/libvirt,jardasgit/libvirt,shugaoye/libvirt,iam-TJ/libvirt,siboulet/libvirt-openvz,eskultety/libvirt,zippy2/libvirt,andreabolognani/libvirt,trainstack/libvirt,andreabolognani/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,andreabolognani/libvirt,siboulet/libvirt-openvz,rlaager/libvirt,andreabolognani/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,iam-TJ/libvirt,elmarco/libvirt,jardasgit/libvirt,elmarco/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,bjzhang/libvirt,siboulet/libvirt-openvz,crobinso/libvirt,cbosdo/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,shugaoye/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain