make lint: enable gocritic

`gocritic` is a powerful linter that helps in preventing certain kinds
of errors as well as enforcing a coding style.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/pkg/api/handlers/utils/handler.go b/pkg/api/handlers/utils/handler.go
index 0815e6eca..8c2110f97 100644
--- a/pkg/api/handlers/utils/handler.go
+++ b/pkg/api/handlers/utils/handler.go
@@ -12,19 +12,19 @@ import (
 
 // WriteResponse encodes the given value as JSON or string and renders it for http client
 func WriteResponse(w http.ResponseWriter, code int, value interface{}) {
-	switch value.(type) {
+	switch v := value.(type) {
 	case string:
 		w.Header().Set("Content-Type", "text/plain; charset=us-ascii")
 		w.WriteHeader(code)
 
-		if _, err := fmt.Fprintln(w, value); err != nil {
+		if _, err := fmt.Fprintln(w, v); err != nil {
 			log.Errorf("unable to send string response: %q", err)
 		}
 	case *os.File:
 		w.Header().Set("Content-Type", "application/octet; charset=us-ascii")
 		w.WriteHeader(code)
 
-		if _, err := io.Copy(w, value.(*os.File)); err != nil {
+		if _, err := io.Copy(w, v); err != nil {
 			log.Errorf("unable to copy to response: %q", err)
 		}
 	default: