patch 9.1.1235: cproto files are outdated

Problem:  cproto files are outdated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/diff.pro b/src/proto/diff.pro
index 5141e37..93272ac 100644
--- a/src/proto/diff.pro
+++ b/src/proto/diff.pro
@@ -13,8 +13,8 @@
 void diff_win_options(win_T *wp, int addbuf);
 void ex_diffoff(exarg_T *eap);
 void diff_clear(tabpage_T *tp);
-int diff_check(win_T *wp, linenr_T lnum);
 int diff_check_with_linestatus(win_T *wp, linenr_T lnum, int *linestatus);
+int diff_check(win_T *wp, linenr_T lnum);
 int diff_check_fill(win_T *wp, linenr_T lnum);
 void diff_set_topline(win_T *fromwin, win_T *towin);
 int diffopt_changed(void);