transcoder classes still used old shading package name -- changed to gradient

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1645947 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -575,7 +575,7 @@ list of possible build targets.
       <include name="org/apache/fop/image/loader/batik/BatikImageFlavors*.class"/>
       <include name="org/apache/fop/svg/**"/>
       <include name="org/apache/fop/fonts/**"/>
-      <include name="org/apache/fop/render/shading/**"/>
+      <include name="org/apache/fop/render/gradient/**"/>
       <include name="org/apache/fop/traits/Direction.class"/>
       <include name="org/apache/fop/traits/MinOptMax.class"/>
       <include name="org/apache/fop/traits/TraitEnum.class"/>