Make setUtf8Info private.

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@252 30ef5769-5b8d-40dd-aea6-55b5d6557bb3

src/main/javassist/bytecode/ConstPool.java

@@ -589,7 +589,7 @@ public final class ConstPool {
      * @param index the index
      * @param string the string specified by this entry.
      */
-    public void setUtf8Info(int index, String string) {
+    private void setUtf8Info(int index, String string) {
         Utf8Info utf = (Utf8Info)getItem(index);
         utf.string = string;
     }