virsh-domain: Fix memleak in cmdCPUBaseline
virsh-domain: Fix memleak in cmdCPUBaseline

https://bugzilla.redhat.com/show_bug.cgi?id=997765

==1349431== 8 bytes in 1 blocks are definitely lost in loss record 11 of 760
==1349431==    at 0x4C2A554: calloc (vg_replace_malloc.c:593)
==1349431==    by 0x4E9AA3E: virAllocN (in /usr/lib64/libvirt.so.0.1001.1)
==1349431==    by 0x4EF28C4: virXPathNodeSet (in /usr/lib64/libvirt.so.0.1001.1)
==1349431==    by 0x130B83: cmdCPUBaseline (in /usr/bin/virsh)
==1349431==    by 0x12C608: vshCommandRun (in /usr/bin/virsh)
==1349431==    by 0x12889A: main (in /usr/bin/virsh)

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