(mu_cfg_tree_reduce): Return 0 if no configuration is supplied.

@@ -4,6 +4,8 @@
 	* include/mailutils/libargp.h (mu_app_cfg_verifier): New extern.
 	* libargp/muinit.c (mu_app_cfg_verifier): New variable.
 	(mu_app_init): Call mu_app_cfg_verifier if in lint mode.
+	* mailbox/cfg_driver.c (mu_cfg_tree_reduce): Return 0 if no
+	configuration is supplied.
 	
 2008-11-11  Sergey Poznyakoff  <gray@gnu.org.ua>
 

@@ -579,7 +579,7 @@ mu_cfg_tree_reduce (mu_cfg_tree_t *parse_tree, const char *progname,
 		    struct mu_cfg_param *progparam, int flags,
 		    void *target_ptr)
 {
-  int rc = 1;
+  int rc = 0;
   
   if (root_container)
     {