each_grapheme_cluster shouldn't return size [Bug #14363]

From: Stefan Schüßler <mail@stefanschuessler.de>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 0ab2012c89..4e62f5971e 100644
--- a/string.c
+++ b/string.c
@@ -8426,7 +8426,7 @@ rb_str_enumerate_grapheme_clusters(VALUE str, VALUE ary)
 static VALUE
 rb_str_each_grapheme_cluster(VALUE str)
 {
-    RETURN_SIZED_ENUMERATOR(str, 0, 0, rb_str_each_char_size);
+    RETURN_ENUMERATOR(str, 0, 0);
     return rb_str_enumerate_grapheme_clusters(str, 0);
 }