util: fix potential leak in error codepath
util: fix potential leak in error codepath

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

fabianfreyer/libvirt,crobinso/libvirt,jardasgit/libvirt,libvirt/libvirt,elmarco/libvirt,datto/libvirt,agx/libvirt,nertpinx/libvirt,rlaager/libvirt,shugaoye/libvirt,jardasgit/libvirt,shugaoye/libvirt,olafhering/libvirt,eskultety/libvirt,eskultety/libvirt,taget/libvirt,shugaoye/libvirt,rlaager/libvirt,rlaager/libvirt,rlaager/libvirt,VenkatDatta/libvirt,olafhering/libvirt,rlaager/libvirt,jardasgit/libvirt,elmarco/libvirt,taget/libvirt,shugaoye/libvirt,zippy2/libvirt,fabianfreyer/libvirt,taget/libvirt,jfehlig/libvirt,nertpinx/libvirt,agx/libvirt,datto/libvirt,andreabolognani/libvirt,jardasgit/libvirt,elmarco/libvirt,zippy2/libvirt,elmarco/libvirt,VenkatDatta/libvirt,olafhering/libvirt,taget/libvirt,andreabolognani/libvirt,libvirt/libvirt,zippy2/libvirt,agx/libvirt,taget/libvirt,datto/libvirt,nertpinx/libvirt,libvirt/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,elmarco/libvirt,VenkatDatta/libvirt,eskultety/libvirt,crobinso/libvirt,andreabolognani/libvirt,zippy2/libvirt,agx/libvirt,nertpinx/libvirt,shugaoye/libvirt,crobinso/libvirt,jfehlig/libvirt,datto/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,libvirt/libvirt,andreabolognani/libvirt,eskultety/libvirt,fabianfreyer/libvirt,agx/libvirt,VenkatDatta/libvirt,eskultety/libvirt,olafhering/libvirt,jfehlig/libvirt,crobinso/libvirt,datto/libvirt,jardasgit/libvirt,jfehlig/libvirt,fabianfreyer/libvirt