Added LDAP#modify_rdn as a synonym for LDAP#rename.

Author: blackhedd

lib/net/ldap.rb

@@ -305,6 +305,11 @@ def rename args
       @result == 0
     end
 
+    # modify_rdn is an alias for rename.
+    def modify_rdn args
+      rename args
+    end
+
   end # class LDAP