route: fix crash caused by parse_multipath() by wrong free()
route: fix crash caused by parse_multipath() by wrong free()

https://bugzilla.redhat.com/show_bug.cgi?id=2081279

Fixes: b50be8fa869b ('rtnl/route: use cleanup attribute in "lib/route/route_obj.c"')

thom311/libnl,thom311/libnl,thom311/libnl