locator::gossiping_property_file_snitch: do_withicate file descriptor in property_file_was_modified()
locator::gossiping_property_file_snitch: do_withicate file descriptor in property_file_was_modified()

file::stat() requires "this" to be valid will the end of the call.

Fixes issue #464

Signed-off-by: Vlad Zolotarov <976c0f8d0852ed6439ad273880b400a75a7c41d0@cloudius-systems.com>

scylladb/scylla,duarten/scylla,raphaelsc/scylla,avikivity/scylla,scylladb/scylla,raphaelsc/scylla,avikivity/scylla,kjniemi/scylla,duarten/scylla,scylladb/scylla,duarten/scylla,kjniemi/scylla,scylladb/scylla,kjniemi/scylla,raphaelsc/scylla,avikivity/scylla