chore: Checkstyle nitpicks

Author: bric3

src/main/java/org/datadog/jmxfetch/App.java

@@ -16,7 +16,13 @@
 import org.datadog.jmxfetch.util.LogLevel;
 import org.datadog.jmxfetch.util.ServiceCheckHelper;
 
-import java.io.*;
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
 import java.lang.management.ManagementFactory;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
@@ -759,7 +765,8 @@ private void loadFileConfigs(final AppConfig config, final Map<String, YamlParse
                 final String name = file.getName().replace(".yaml", "");
                 final String yamlPath = file.getAbsolutePath();
                 log.info("Reading {}", yamlPath);
-                try (BufferedInputStream yamlInputStream = new BufferedInputStream(new FileInputStream(yamlPath))) {
+                try (BufferedInputStream yamlInputStream =
+                             new BufferedInputStream(new FileInputStream(yamlPath))) {
                     configs.put(name, new YamlParser(yamlInputStream));
                 } catch (FileNotFoundException e) {
                     log.warn("Cannot find " + yamlPath);