acl plugin: avoid "'struct stat' declared inside parameter list" warning

diff --git a/src/plugins/acl/acl-api.h b/src/plugins/acl/acl-api.h
index beb28072d421df123a43346f60dd58f38563d3d8..ce14cd864cf0529a4bae96497a3bac0ee8c7c1e7 100644 (file)
--- a/src/plugins/acl/acl-api.h
+++ b/src/plugins/acl/acl-api.h
@@ -1,6 +1,8 @@
 #ifndef ACL_API_H
 #define ACL_API_H
 
+#include <sys/stat.h>
+
 struct mailbox_list;
 struct mail_storage;
 struct mailbox;