patch 8.2.3530: ":buf \{a}" fails while ":edit \{a}" works
Problem: ":buf \{a}" fails while ":edit \{a}" works.
Solution: Unescape "\{". (closes #8917)
diff --git a/src/proto/ex_getln.pro b/src/proto/ex_getln.pro
index faecab2..d047e39 100644
--- a/src/proto/ex_getln.pro
+++ b/src/proto/ex_getln.pro
@@ -26,7 +26,7 @@
void compute_cmdrow(void);
void cursorcmd(void);
void gotocmdline(int clr);
-char_u *vim_strsave_fnameescape(char_u *fname, int shell);
+char_u *vim_strsave_fnameescape(char_u *fname, int what);
void escape_fname(char_u **pp);
void tilde_replace(char_u *orig_pat, int num_files, char_u **files);
cmdline_info_T *get_cmdline_info(void);