Update gplot

git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44475 0bd85f0b-c151-43b9-a1e9-27231104551f
suzerain: fix Lonestar build

The -Wl,--as-needed magic that worked on the Sysnet desktops
did not workon Lonestar.  Backing off here.


git-svn-id: https://svn.ices.utexas.edu/repos/pecos/suzerain/trunk@44477 0bd85f0b-c151-43b9-a1e9-27231104551f