small memleak fix

src/config_parser.rl

@@ -498,7 +498,6 @@
 			}
 
 			g_hash_table_insert(ctx->uservars, str, val);
-			val = NULL; /* prevent free */
 		}
 		else {
 			/* normal assignment */
@@ -512,7 +511,6 @@
 		}
 
 		value_free(name);
-		value_free(val);
 	}
 
 	action function_noparam {

src/plugin.c

@@ -74,7 +74,7 @@ void server_plugins_free(server *srv) {
 	g_hash_table_iter_init(&i, srv->plugins);
 	while (g_hash_table_iter_next(&i, &key, &val)) {
 		plugin *p = (plugin*) val;
-	
+
 		plugin_free_options(srv, p);
 		plugin_free_actions(srv, p);
 		plugin_free_setups(srv, p);
@@ -206,6 +206,7 @@ gboolean parse_option(server *srv, const char *name, value *val, option_set *mar
 
 	if (!sopt->parse_option) {
 		mark->value = value_extract(val);
+		value_free(val);
 	} else {
 		if (!sopt->parse_option(srv, sopt->p, sopt->module_index, val, &mark->value)) {
 			/* errors should be logged by parse function */

src/plugin_core.c

@@ -479,6 +479,8 @@ static gboolean core_option_log_timestamp_parse(server *srv, plugin *p, size_t n
 	if (!val) return TRUE;
 	oval->ptr = log_timestamp_new(srv, value_extract(val).string);
 
+	value_free(val);
+
 	return TRUE;
 }