dynconfig/wscript: Adjust default cleanup for waf 2.1.5

Using waf 2.1.5 parser.defaults no longer exists (that's part of
the optparse module and waf 2.1.5 uses argparse)
This patch adjusts the default cleanup for argparse.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/dynconfig/wscript b/dynconfig/wscript
index c338fd348888c7987e0539552bec2afd6833ce34..2d7d79006fd74ee179203f7357b4def91788dd8c 100644 (file)
--- a/dynconfig/wscript
+++ b/dynconfig/wscript
@@ -302,8 +302,7 @@ def options(opt):
         option = opt.parser.get_option(k)
         if option:
             opt.parser.remove_option(k)
-    del opt.parser.defaults['PRIVATELIBDIR']
-    del opt.parser.defaults['MODULESDIR']
+    opt.parser.set_defaults(PRIVATELIBDIR=None, MODULESDIR=None)
 
     # get all the basic GNU options from the gnu_dirs tool