merge revision(s) 45462,45463,45466: [Backport #9684]
* struct.c (not_a_member): extract name error and use same error messages. based on the patch by Marcus Stollsteimer <sto.mar AT web.de> at [ruby-core:61721]. [Bug #9684]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@46741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 45462,45463,45466: [Backport #9684]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@46741 b2dd03c8-39d4-4d8f-98ff-823fe69b080e