temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIG
temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIG

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h