network_conf: Don't free uninitialized pointers while parsing DNS SRV
network_conf: Don't free uninitialized pointers while parsing DNS SRV

If the user specified invalid protocol type in a network's SRV record
the error path ended up in freeing uninitialized pointers causing a
daemon crash.

*network_conf.c: virNetworkDNSSrvDefParseXML(): initialize local
                                                variables

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