Show the interface name on error, if it is not found.

If the smdiport specified is not found, show the interface name
instead of '(null)'.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@200875 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_smdi.c

@@ -1048,7 +1048,7 @@ static int smdi_load(int reload)
 				ASTOBJ_UNREF(iface, ast_smdi_interface_destroy);
 
 			if (!(iface = ASTOBJ_CONTAINER_FIND(&smdi_ifaces, v->value))) {
-				ast_log(LOG_NOTICE, "SMDI interface %s not found\n", iface->name);
+				ast_log(LOG_NOTICE, "SMDI interface %s not found\n", v->value);
 				continue;
 			}
 		} else if (!strcasecmp(v->name, "pollinginterval")) {