FOX_TRANSFORM constant should be static.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@618627 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/fop/render/AbstractPathOrientedRenderer.java

@@ -406,7 +406,8 @@ public abstract class AbstractPathOrientedRenderer extends PrintRenderer {
         
     }
     
-    private final QName FOX_TRANSFORM = new QName(ExtensionElementMapping.URI, "fox:transform");
+    private static final QName FOX_TRANSFORM
+            = new QName(ExtensionElementMapping.URI, "fox:transform");
     
     /** {@inheritDoc} */
     protected void renderBlockViewport(BlockViewport bv, List children) {