message: Fix type error when compiling with IBM XL
diff: @@ -47,7 +47,7 @@ program TestSstRead
  if (variables(1)%type /= adios2_type_integer1) stop 'i8 type not recognized'
  call adios2_variable_shape(shape_in, ndims, variables(1), ierr)
  if (ndims /= 1) stop 'i8 ndims is not 1'
  - if (modulo(shape_in(1), nx) /= 0) stop 'i8 shape_in read failed'
  + if (modulo(shape_in(1), int(nx, 8)) /= 0) stop 'i8 shape_in read failed'
  writerSize = shape_in(1) / nx
  call adios2_inquire_variable(variables(2), ioRead, "i16", ierr)
  