Fix printf NULL string (null) substituion for NULL config framework default.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@393910 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/xmldoc.c b/main/xmldoc.c
index 2dd3432..542b77e 100644 (file)
--- a/main/xmldoc.c
+++ b/main/xmldoc.c
@@ -1181,8 +1181,8 @@ static char *xmldoc_get_syntax_config_option(struct ast_xml_node *fixnode, const
        ast_str_set(&syntax, 0, "%s = [%s] (Default: %s) (Regex: %s)\n",
                name,
                type,
-               default_value,
-               regex ? regex : "False");
+               default_value ?: "n/a",
+               regex ?: "False");
 
        ast_xml_free_attr(type);
        ast_xml_free_attr(default_value);