Piotr Tabor 0d9cfc11c8 Fix usage of reflect.SliceHeader: reported by vet on tip golang ...

Example:
https://travis-ci.com/github/etcd-io/etcd/jobs/470404938

```
% (cd server && go vet ./...)
stderr: # go.etcd.io/etcd/server/v3/etcdserver/api/v2store
stderr: etcdserver/api/v2store/node_extern_test.go:107:9: possible misuse of reflect.SliceHeader
stderr: etcdserver/api/v2store/node_extern_test.go:107:16: possible misuse of reflect.SliceHeader
```

2021-01-12 00:14:51 +01:00

..

doc.go

…

event_history.go

server: Update imports.

2020-10-26 13:02:32 +01:00

event_queue.go

…

event_test.go

server: Update imports.

2020-10-26 13:02:32 +01:00

event.go

…

heap_test.go

…

metrics.go

…

node_extern_test.go

Fix usage of reflect.SliceHeader: reported by vet on tip golang

2021-01-12 00:14:51 +01:00

node_extern.go

…

node_test.go

…

node.go

server: Update imports.

2020-10-26 13:02:32 +01:00

stats_test.go

…

stats.go

…

store_bench_test.go

…

store_ttl_test.go

server: Update imports.

2020-10-26 13:02:32 +01:00

store.go

server: Update imports.

2020-10-26 13:02:32 +01:00

ttl_key_heap.go

…

watcher_hub_test.go

…

watcher_hub.go

server: Update imports.

2020-10-26 13:02:32 +01:00

watcher_test.go

…

watcher.go

…