Make instance field private (and add some commentary)

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1067310 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/scr/src/main/java/org/apache/felix/scr/impl/config/ConfigurationSupport.java b/scr/src/main/java/org/apache/felix/scr/impl/config/ConfigurationSupport.java
index bdd8bf9..7a1e137 100644
--- a/scr/src/main/java/org/apache/felix/scr/impl/config/ConfigurationSupport.java
+++ b/scr/src/main/java/org/apache/felix/scr/impl/config/ConfigurationSupport.java
@@ -39,7 +39,8 @@
 public class ConfigurationSupport implements ConfigurationListener
 {
 
-    final ComponentRegistry m_registry;
+    // the registry of components to be configured
+    private final ComponentRegistry m_registry;
 
     // the service m_registration of the ConfigurationListener service
     private ServiceRegistration m_registration;