Make static analyzer happier.

diff --git a/src/doveadm/dsync/dsync-brain-mailbox-tree.c b/src/doveadm/dsync/dsync-brain-mailbox-tree.c
index 549549679bb185d5c1e9f46e9eadc87020d0ce94..64dd88106b173dfc212b730ab9aff8b430f3c3fe 100644 (file)
--- a/src/doveadm/dsync/dsync-brain-mailbox-tree.c
+++ b/src/doveadm/dsync/dsync-brain-mailbox-tree.c
@@ -27,7 +27,7 @@ static void dsync_brain_check_namespaces(struct dsync_brain *brain)
                        continue;
 
                sep = mail_namespace_get_sep(ns);
-               if (brain->hierarchy_sep == '\0') {
+               if (first_ns == NULL) {
                        brain->hierarchy_sep = sep;
                        first_ns = ns;
                } else if (brain->hierarchy_sep != sep) {