Make loggers private

Loggers shouldn't be shared between classes and hence they should be
private.

Change-Id: Iadd54c73455665b53cf9b58918b2e8c5cf19357e
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/PushResultProcessing.java b/src/main/java/com/googlesource/gerrit/plugins/replication/PushResultProcessing.java
index 0c3e158..43d5c5e 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/PushResultProcessing.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/PushResultProcessing.java
@@ -158,7 +158,7 @@
   }
 
   public static class GitUpdateProcessing extends PushResultProcessing {
-    static final Logger log = LoggerFactory.getLogger(GitUpdateProcessing.class);
+    private static final Logger log = LoggerFactory.getLogger(GitUpdateProcessing.class);
 
     private final EventDispatcher dispatcher;
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationFileBasedConfig.java b/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationFileBasedConfig.java
index bec4f20..ee1f16d 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationFileBasedConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationFileBasedConfig.java
@@ -40,7 +40,7 @@
 
 @Singleton
 public class ReplicationFileBasedConfig implements ReplicationConfig {
-  static final Logger log = LoggerFactory.getLogger(ReplicationFileBasedConfig.class);
+  private static final Logger log = LoggerFactory.getLogger(ReplicationFileBasedConfig.class);
   private List<Destination> destinations;
   private Path cfgPath;
   private boolean replicateAllOnPluginStart;