Fixed up if statement

Signed-off-by: Levi Gross <levi@levigross.com>

Docker-DCO-1.1-Signed-off-by: Levi Gross <levi@levigross.com> (github: levigross)
Upstream-commit: a7b60b21deaf7dbc3b5741be036bfb2a6679f1c8
Component: engine

components/engine/utils/random.go

@@ -8,8 +8,8 @@ import (
 
 func RandomString() string {
 	id := make([]byte, 32)
-	_, err := io.ReadFull(rand.Reader, id)
-	if err != nil {
+
+	if _, err := io.ReadFull(rand.Reader, id); err != nil {
 		panic(err) // This shouldn't happen
 	}
 	return hex.EncodeToString(id)