object.c: fix conversion failure message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
object.c: fix conversion failure message
explicit conversion. rb_convert_type_with_id and
rb_check_convert_type_with_id are not only for implicit
conversions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e