bugfix: zeta not correctly updated when read from part_ic using kindz=3

Former-commit-id: 82f82098

src/timemanager_mod.f90

@@ -217,7 +217,9 @@ subroutine timemanager
         ! If kindz>1, vertical positions computation
         if (ipin.eq.3 .or. ipin.eq.4) call kindz_to_z(i) 
 #ifdef ETA
-        call update_z_to_zeta(itime, i)
+        call z_to_zeta(itime,part(i)%xlon,part(i)%ylat,part(i)%z,part(i)%zeta)
+        part(i)%etaupdate = .true.
+        part(i)%meterupdate = .true.
 #endif
       end do
 !$OMP END DO