patch 8.2.3268: cannot use a block with :autocmd like with :command
Problem: Cannot use a block with :autocmd like with :command.
Solution: Add support for a {} block after :autocmd. (closes #8620)
diff --git a/src/proto/autocmd.pro b/src/proto/autocmd.pro
index 88eae5a..24dd1ba 100644
--- a/src/proto/autocmd.pro
+++ b/src/proto/autocmd.pro
@@ -6,7 +6,7 @@
int check_ei(void);
char_u *au_event_disable(char *what);
void au_event_restore(char_u *old_ei);
-void do_autocmd(char_u *arg_in, int forceit);
+void do_autocmd(exarg_T *eap, char_u *arg_in, int forceit);
int do_doautocmd(char_u *arg, int do_msg, int *did_something);
void ex_doautoall(exarg_T *eap);
int check_nomodeline(char_u **argp);