[MINOR] acl: provide a reference to the expr to fetch()
The fetch() functions may need to access the full expr to get
their args. Turn the void *arg into a struct acl_expr *expr.
diff --git a/src/acl.c b/src/acl.c
index 2cd154c..0cc9248 100644
--- a/src/acl.c
+++ b/src/acl.c
@@ -659,7 +659,7 @@
/* we need to reset context and flags */
memset(&test, 0, sizeof(test));
fetch_next:
- if (!expr->kw->fetch(px, l4, l7, dir, expr->arg.str, &test))
+ if (!expr->kw->fetch(px, l4, l7, dir, expr, &test))
continue;
/* apply all tests to this value */