Field might as well be private as it is not used externally

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1617387 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/apache-rat-plugin/src/main/java/org/apache/rat/mp/AbstractRatMojo.java b/apache-rat-plugin/src/main/java/org/apache/rat/mp/AbstractRatMojo.java
index 403f4aa..5f91ec4 100644
--- a/apache-rat-plugin/src/main/java/org/apache/rat/mp/AbstractRatMojo.java
+++ b/apache-rat-plugin/src/main/java/org/apache/rat/mp/AbstractRatMojo.java
@@ -83,7 +83,7 @@
 	 *
 	 */
 	@Parameter(property = "rat.basedir", defaultValue = "${basedir}", required = true)
-	protected File basedir;
+	private File basedir;
 
 	/**
 	 * Specifies the licenses to accept. Deprecated, use {@link #licenses}