patch 9.1.1235: cproto files are outdated

Problem:  cproto files are outdated
Solution: regenerate proto files by running make proto
          (Yegappan Lakshmanan)

closes: #16956

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
index 5491940..8384601 100644
--- a/src/proto/buffer.pro
+++ b/src/proto/buffer.pro
@@ -5,6 +5,7 @@
 void set_bufref(bufref_T *bufref, buf_T *buf);
 int bufref_valid(bufref_T *bufref);
 int buf_valid(buf_T *buf);
+int buf_locked(buf_T *buf);
 int close_buffer(win_T *win, buf_T *buf, int action, int abort_if_last, int ignore_abort);
 void buf_clear_file(buf_T *buf);
 void buf_freeall(buf_T *buf, int flags);
@@ -70,5 +71,4 @@
 void set_buflisted(int on);
 int buf_contents_changed(buf_T *buf);
 void wipe_buffer(buf_T *buf, int aucmd);
-int buf_locked(buf_T *buf);
 /* vim: set ft=c : */