units different in gtspp_to_obs vs thinned_gtspp_to_obs

[hkershaw-brown]

GTSPP gtspp_to_obs is in MSU

DART/observations/obs_converters/GTSPP/gtspp_to_obs.f90

Line 321 in a32ab03

obs_val(1) = salinity(k) / 1000.0_r8

GTSPP thinned_gtspp_to_obs is in PSU

DART/observations/obs_converters/GTSPP/thinned_gtspp_to_obs.f90

Lines 346 to 347 in a32ab03

	! obs_val(1) = salinity(k) / 1000.0_r8
	obs_val(1) = salinity(k) ! ROMS use psu