Fix rname testcase when run under OpenJDK icedtea on Linux because libjvm.so also contains a class called Base. Also remove need for Go specific handling in this testcase.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12372 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/java/rname_runme.java

@@ -30,7 +30,7 @@ public class rname_runme {
       throw new RuntimeException("base.newname");
 
     RenamedDerived derived = new RenamedDerived();
-    derived.func(base, base, base);
+    derived.Xfunc(base, base, base);
     if (!derived.newname(10.0).equals("Derived"))
       throw new RuntimeException("derived.newname");
   }