esx: Remove dead store in esxUtil_ParseDatastorePath
esx: Remove dead store in esxUtil_ParseDatastorePath

The ++ on preliminaryFileName was a left over from a previous version
of this function that explicitly returned the filename and did a strdup
on preliminaryFileName afterwards.

As the filename isn't returned explicitly anymore remove the preliminary
variable for it and reuse the tmp variable instead.

Reported by Eric Blake, detected by clang.

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