suzerain: #3058 fix gamma=1.40

Update radialflow write up and tabulated data.
Mercifully, the code should handle this automatically
after the last commit as it will preserve any gamma
when going from station to station.

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44349 0bd85f0b-c151-43b9-a1e9-27231104551f