patch 9.1.0974: typo in change of commit v9.1.0873

Problem:  typo in change of commit v9.1.0873
          (Christ van Willegen)
Solution: Add back the square brackets
          (John Marriott)

closes: #16340

Signed-off-by: John Marriott <basilisk@internode.on.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/fileio.c b/src/fileio.c
index 2f57104..93e13e3 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2531,7 +2531,7 @@
 	    if (ff_error == EOL_DOS)
 	    {
 		buflen += vim_snprintf((char *)IObuff + buflen, IOSIZE - buflen,
-			_("CR missing"));
+			_("[CR missing]"));
 		c = TRUE;
 	    }
 	    if (split)