[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/bignum.c b/bignum.c
index cc9f16375f..11f5151652 100644
--- a/bignum.c
+++ b/bignum.c
@@ -6782,6 +6782,8 @@ rb_big_aref(VALUE x, VALUE y)
  *   big.hash   -> fixnum
  *
  * Compute a hash based on the value of _big_.
+ *
+ * See also Object#hash.
  */
 
 static VALUE