fix lint

Author: ldetmer

auth/src/test/java/com/google/cloud/auth/samples/AuthExampleIT.java

@@ -95,7 +95,7 @@ static String authenticateUsingApiKeyWithRetry(String apiKey) throws IOException
           System.out.println("API key not yet active, retrying...");
           try {
             Thread.sleep(delay);
-          } catch (InterruptedException ignored) {}
+          } catch (InterruptedException ignored) { }
         } else {
           throw e;
         }