optimize.hpp: change order to make it easier to handle cexp_connected.
optimize.hpp: change order to make it easier to handle cexp_connected.

git-svn-id: 1728f4fe1fce71bf2b1ab77247b3d200e5970555@2956 0e562018-b8fb-0310-a933-ecf073c7c197

tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror,tkelman/CppAD-oldmirror