Call Vector.removeAllElements() instead of Vector.clear() to allow compilation and execution with JDK 1.1.x (Bugzilla bug 107830)

directory/java-sdk/ldapjdk/netscape/ldap/LDAPConnThread.java

@@ -361,7 +361,7 @@ class LDAPConnThread extends Thread {
                     c.deregisterConnection();
                 }
             }
-            m_registered.clear();
+            m_registered.removeAllElements();
             m_registered = null;
             m_messages = null;
             m_requests.clear();