6597349: KeyStore.getCertificateChain() may not return the full chain

Reviewed-by: mullan

src/share/classes/java/security/KeyStore.java

@@ -789,7 +789,7 @@ public class KeyStore {
      * @param alias the alias name
      *
      * @return the certificate chain (ordered with the user's certificate first
-     * and the root certificate authority last), or null if the given alias
+     * followed by zero or more certificate authorities), or null if the given alias
      * does not exist or does not contain a certificate chain
      *
      * @exception KeyStoreException if the keystore has not been initialized