chore: style fixes from go fix (#10846)

Just `go fix ./...`

Signed-off-by: Jakob Borg <jakob@kastelo.net>

cmd/dev/stevents/main.go

@@ -17,10 +17,10 @@ import (
 )
 
 type event struct {
-	ID   int                    `json:"id"`
-	Type string                 `json:"type"`
-	Time time.Time              `json:"time"`
-	Data map[string]interface{} `json:"data"`
+	ID   int            `json:"id"`
+	Type string         `json:"type"`
+	Time time.Time      `json:"time"`
+	Data map[string]any `json:"data"`
 }
 
 func main() {

cmd/dev/stfinddevice/main.go

@@ -60,7 +60,6 @@ func checkServers(deviceID protocol.DeviceID, servers ...string) {
 	t0 := time.Now()
 	resc := make(chan checkResult)
 	for _, srv := range servers {
-		srv := srv
 		go func() {
 			res := checkServer(deviceID, srv)
 			res.server = srv

cmd/dev/stgenfiles/main.go

@@ -34,7 +34,7 @@ func generateFiles(dir string, files, maxexp int, srcname string) error {
 		return err
 	}
 
-	for i := 0; i < files; i++ {
+	for range files {
 		n := randomName()
 
 		if rand.Float64() < 0.05 {
@@ -51,10 +51,7 @@ func generateFiles(dir string, files, maxexp int, srcname string) error {
 		p1 := filepath.Join(p0, n)
 
 		s := int64(1 << uint(rand.Intn(maxexp)))
-		a := int64(128 * 1024)
-		if a > s {
-			a = s
-		}
+		a := min(int64(128*1024), s)
 		s += rand.Int63n(a)
 
 		if err := generateOneFile(fd, p1, s); err != nil {

cmd/dev/stvanity/main.go

@@ -138,7 +138,7 @@ func printProgress(prefix string, count *atomic.Int64) {
 	}
 }
 
-func saveCert(priv interface{}, derBytes []byte) {
+func saveCert(priv any, derBytes []byte) {
 	certOut, err := os.Create("cert.pem")
 	if err != nil {
 		fmt.Println(err)
@@ -179,7 +179,7 @@ func saveCert(priv interface{}, derBytes []byte) {
 	}
 }
 
-func pemBlockForKey(priv interface{}) (*pem.Block, error) {
+func pemBlockForKey(priv any) (*pem.Block, error) {
 	switch k := priv.(type) {
 	case *rsa.PrivateKey:
 		return &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(k)}, nil