change size of overlap for arrays cg2d_r,s & q to 1 in order to use  simple EXCH ; for now, keep previous size array for gc2d_nsa to avoid  Pb with store directives and missing simple EXCH adjoint code.
change size of overlap for arrays cg2d_r,s & q to 1 in order to use
 simple EXCH ; for now, keep previous size array for gc2d_nsa to avoid
 Pb with store directives and missing simple EXCH adjoint code.

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