Modified to build with Graylog 2.4.5

Author: Ruslan Gainutdinov

pom.xml

@@ -10,7 +10,7 @@
 
     <groupId>com.wizecore.graylog2</groupId>
     <artifactId>graylog-output-syslog</artifactId>
-    <version>2.4.0</version>
+    <version>2.4.5</version>
     <packaging>jar</packaging>
 
     <name>graylog-output-syslog</name>
@@ -23,7 +23,7 @@
         <maven.install.skip>true</maven.install.skip>
         <maven.deploy.skip>true</maven.deploy.skip>
         <maven.site.skip>true</maven.site.skip>
-        <graylog2.version>2.4.0</graylog2.version>
+        <graylog2.version>2.4.5</graylog2.version>
         <graylog2.syslog4j.version>0.9.60</graylog2.syslog4j.version>
         <graylog2.plugin-dir>/usr/share/graylog-server/plugin</graylog2.plugin-dir>
     </properties>