Fix typo in variable name for UDP config

Author: huksley

src/main/java/com/wizecore/graylog2/plugin/SyslogOutput.java

@@ -102,7 +102,7 @@ public SyslogOutput(@Assisted Stream stream, @Assisted Configuration conf) {
 		log.info("Creating syslog output " + protocol + "://" + host + ":" + port + ", format " + format);
 		SyslogConfigIF config = null;
 		if (protocol.toLowerCase().equals("udp")) {
-			UDPNetSyslogConfig updConfig = new UDPNetSyslogConfig();
+			UDPNetSyslogConfig udpConfig = new UDPNetSyslogConfig();
             udpConfig.setMaxQueueSize(maxQueueSize);
             config = udpConfig;
 		} else