Don't compile java source files in ${sourcedist} with java3D too.

git-svn-id: https://cdk.svn.sourceforge.net/svnroot/cdk/trunk/cdk@331 eb4e18e3-b210-0410-a6ab-dec725e4b171

build.xml

@@ -80,10 +80,11 @@
         <target name="compile-with-java3d" depends="init">
                 <mkdir dir="${build}" />
 
-                <javac destdir="${build}" optimize="on"
-                deprecation="off">
+                <javac destdir="${build}" optimize="on" deprecation="off">
                         <src path="." />
 
+                        <exclude name="${sourcedist}/**" />
+
                         <classpath refid="project.class.path" />
                 </javac>
         </target>