Update masking_mod.F90 (#84)

Changed minlat in masking_mod.F90 to -78
Resolves ##83

src/ocnicepost.fd/masking_mod.F90

@@ -27,7 +27,7 @@ subroutine remap_masks(vfill)
  ! local variables
  integer :: rc, ncid, varid, n
  character(len=240) :: wgtsfile
- real :: minlat = -79.75
+ real :: minlat = -78.63 
 
  real, allocatable, dimension(:) :: out1d