Make fields private wherever possible.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1379898 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/jira/ParameterQueryBuilder.java b/src/main/java/org/apache/maven/plugin/jira/ParameterQueryBuilder.java
index a732ca3..5eed85f 100644
--- a/src/main/java/org/apache/maven/plugin/jira/ParameterQueryBuilder.java
+++ b/src/main/java/org/apache/maven/plugin/jira/ParameterQueryBuilder.java
@@ -37,17 +37,17 @@
 {
     private String filter = "";
     /** Log for debug output. */
-    protected Log log;
+    private Log log;
     private StringBuilder query = new StringBuilder();
 
     /** Mapping containing all allowed JIRA priority values. */
-    protected final Map<String,String> priorityMap = new HashMap<String,String>( 8 );
+    private final Map<String,String> priorityMap = new HashMap<String,String>( 8 );
     /** Mapping containing all allowed JIRA resolution values. */
-    protected final Map<String,String> resolutionMap = new HashMap<String,String>( 8 );
+    private final Map<String,String> resolutionMap = new HashMap<String,String>( 8 );
     /** Mapping containing all allowed JIRA status values. */
-    protected final Map<String,String> statusMap = new HashMap<String,String>( 8 );
+    private final Map<String,String> statusMap = new HashMap<String,String>( 8 );
     /** Mapping containing all allowed JIRA type values. */
-    protected final Map<String,String> typeMap = new HashMap<String,String>( 8 );
+    private final Map<String,String> typeMap = new HashMap<String,String>( 8 );
 
     public ParameterQueryBuilder( Log log )
     {