maildir_gtk.c: In function ‘remove_mailbox_cb’: maildir_gtk.c:289:6: warning: passing argument 7 of ‘alertpanel_full’ makes integer from pointer without a cast [-Wint-conversion] NULL, ALERT_WARNING, G_ALERTDEFAULT); ^~~~ In file included from maildir_gtk.c:36: /usr/include/claws-mail/alertpanel.h:59:20: note: expected ‘gboolean’ {aka ‘int’} but argument is of type ‘void *’ gboolean can_disable, ~~~~~~~~~~~~~^~~~~~~~~~~ maildir_gtk.c:289:12: warning: passing argument 8 of ‘alertpanel_full’ makes pointer from integer without a cast [-Wint-conversion] NULL, ALERT_WARNING, G_ALERTDEFAULT); ^~~~~~~~~~~~~ In file included from maildir_gtk.c:36: /usr/include/claws-mail/alertpanel.h:60:20: note: expected ‘GtkWidget *’ {aka ‘struct _GtkWidget *’} but argument is of type ‘int’ GtkWidget *widget, ~~~~~~~~~~~~~^~~~~~ maildir_gtk.c: In function ‘delete_folder_cb’: maildir_gtk.c:321:6: warning: passing argument 7 of ‘alertpanel_full’ makes integer from pointer without a cast [-Wint-conversion] NULL, ALERT_NOTICE, G_ALERTDEFAULT); ^~~~ In file included from maildir_gtk.c:36: /usr/include/claws-mail/alertpanel.h:59:20: note: expected ‘gboolean’ {aka ‘int’} but argument is of type ‘void *’ gboolean can_disable, ~~~~~~~~~~~~~^~~~~~~~~~~