qemu: silence coverity false positives
qemu: silence coverity false positives

Coverity gets confused by our logic.  Add some hints to silence
false positives.

* src/qemu/qemu_driver.c (qemudDomainGetVcpuPinInfo): Add hint.
(qemuDomainGetMemoryParameters): Likewise.

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