merge revision(s) 41558: [Backport #8561]
* ext/etc/etc.c (etc_getpwnam): use PRIsVALUE in format string instead of %s and RSTRING_PTR * ext/etc/etc.c (etc_getgrnam): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@41575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 41558: [Backport #8561]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@41575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e