patch 8.2.5084: when the GUI shows a dialog tests get stuck
Problem: When the GUI shows a dialog tests get stuck.
Solution: Add the --gui-dialog-file argument.
diff --git a/src/proto/main.pro b/src/proto/main.pro
index ff3e1a5..4368e24 100644
--- a/src/proto/main.pro
+++ b/src/proto/main.pro
@@ -2,6 +2,7 @@
int vim_main2(void);
void common_init(mparm_T *paramp);
int is_not_a_term(void);
+char_u *get_gui_dialog_file(void);
int op_pending(void);
void may_trigger_safestate(int safe);
void state_no_longer_safe(char *reason);