Fixed styles

Author: chiacyu

hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestDataUtil.java

@@ -106,9 +106,9 @@ public static OzoneVolume createVolume(OzoneClient client,
   }
 
   public static byte[] createKey(OzoneBucket bucket,
-                                 String keyName, int length) throws IOException{
-    byte[] content = RandomStringUtils.random(length, 0, 0
-        , true, true, null, new SecureRandom()).getBytes(UTF_8);
+                                 String keyName, int length) throws IOException {
+    byte[] content = RandomStringUtils.random(length, 0, 0,
+        true, true, null, new SecureRandom()).getBytes(UTF_8);
     createKey(bucket, keyName, content);
     return content;
   }