Merge pull request #13 from dpursehouse/fix-compilation-warnings

Fix compilation warnings
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
index 8c60968..418453c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
@@ -86,9 +86,8 @@
     String val = pluginConfig.getString(key.section, null, key.name);
     if (val == null) {
       return key.defaultVal.toString();
-    } else {
-      return val;
     }
+    return val;
   }
 
   public int getInt(Keys key) {
@@ -125,7 +124,7 @@
   }
 
   private AMQP.BasicProperties generateBasicProperties() {
-    Map<String, Object> headers = new HashMap<String, Object>();
+    Map<String, Object> headers = new HashMap<>();
     headers.put(Keys.GERRIT_NAME.key, getString(Keys.GERRIT_NAME));
     headers.put(Keys.GERRIT_HOSTNAME.key, getString(Keys.GERRIT_HOSTNAME));
     headers.put(Keys.GERRIT_SCHEME.key, getString(Keys.GERRIT_SCHEME));