parallels: Resolve Coverity USE_AFTER_FREE
parallels: Resolve Coverity USE_AFTER_FREE

Coverity complains that calling virNetworkDefFree(def), then jumping
to the cleanup: label which calls virNetworkDefFree(def) could result
in a double_free.  Just remove the call from the if statement.

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