[DOC] add links to `Object#hash`

add links to `Object#hash` to each #`hash` methods rdocs.
[Fixes GH-567]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/time.c b/time.c
index 87ac0d3ce2..9db276ed82 100644
--- a/time.c
+++ b/time.c
@@ -3405,6 +3405,8 @@ time_utc_p(VALUE time)
  *   time.hash   -> fixnum
  *
  * Returns a hash code for this Time object.
+ *
+ * See also Object#hash.
  */
 
 static VALUE