Show the deprecated name in the warning

Fixed up a58bbd6a512d95ca010d8bebae4fe590400c1413.

1 files changed, 1 insertions, 1 deletions

diff --git a/file.c b/file.c
index 6d8adac4c4..e14a658fa9 100644
--- a/file.c
+++ b/file.c
@@ -1786,7 +1786,7 @@ rb_file_exists_p(VALUE obj, VALUE fname)
 	      RTEST(rb_class_inherited_p(obj, rb_cFile)))) {
 	s = "File.exist?";
     }
-    rb_warn_deprecated("", s);
+    rb_warn_deprecated("%.*ss?", s, (int)(strlen(s)-1), s);
     return rb_file_exist_p(obj, fname);
 }