PMD Fixes for parser.

Change-Id: I45b496d084e722850810736d468f4bb3f9602151
Reviewed-on: http://gerrit.dmdirc.com/1705
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/parser/common/CallbackManager.java

@@ -24,7 +24,7 @@ package com.dmdirc.parser.common;
 
 import com.dmdirc.parser.interfaces.Parser;
 import com.dmdirc.parser.interfaces.SpecificCallback;
-import com.dmdirc.parser.interfaces.callbacks.*;
+import com.dmdirc.parser.interfaces.callbacks.*; //NOPMD
 
 import java.util.HashMap;
 import java.util.Map;

src/com/dmdirc/parser/irc/IRCParser.java

@@ -32,7 +32,7 @@ import com.dmdirc.parser.common.SystemEncoder;
 import com.dmdirc.parser.interfaces.Encoder;
 import com.dmdirc.parser.interfaces.EncodingParser;
 import com.dmdirc.parser.interfaces.SecureParser;
-import com.dmdirc.parser.interfaces.callbacks.*;
+import com.dmdirc.parser.interfaces.callbacks.*; //NOPMD
 import com.dmdirc.parser.irc.IRCReader.ReadLine;
 import com.dmdirc.parser.irc.outputqueue.OutputQueue;
 

src/com/dmdirc/parser/irc/Logging.java

@@ -77,7 +77,7 @@ public class Logging {
     private final boolean isAvailable;
 
     /** "Log" object if available. */
-    private Object log = null;
+    private Object log;
 
     /**
      * Get an instance of Logging.
@@ -85,8 +85,12 @@ public class Logging {
      * @return The instance of Logging
      */
     public static Logging getLogging() {
-        if (me == null) { me = new Logging(); }
-        return me;
+        synchronized (Logging.class) {
+            if (me == null) {
+                me = new Logging();
+            }
+            return me;
+        }
     }
 
     /** Create a new Logging. */