Merge pull request #27 from Hallberg-NOAA/v_sa_p_bugfix

Fix v_sa_p bug in gsw_specvol_second_derivatives

Author: ocefpaf

toolbox/gsw_specvol_second_derivatives.f90

@@ -108,7 +108,7 @@ elemental subroutine gsw_specvol_second_derivatives (sa, ct, p, v_sa_sa, &
        + b122*xs + b032*ys))) + z*(3.0_r8*(b003 + b103*xs + b013*ys) &
        + 4.0_r8*b004*z))
 
-   v_sa_p = 1e-8_r8*0.5_r8*gsw_sfac*v_sa_p_part
+   v_sa_p = 1e-8_r8*0.5_r8*gsw_sfac*v_sa_p_part/xs
 
 end if