it's already defined at $(srcdir)/complex.c.
* ext/mathn/rational/rational.c: no need to define rb_cRational because
it's already defined at $(srcdir)/rational.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19967 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
first to shut up the warning.
* ext/mathn/rational/rational.c (rb_rational_new_mathn): specify
omitted return value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19925 b2dd03c8-39d4-4d8f-98ff-823fe69b080e