configure.in: enum_over_int
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51850 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.in: enum_over_int
ULONG_LONG_MAX for portability.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51850 b2dd03c8-39d4-4d8f-98ff-823fe69b080e