Fix maxdepth calculation on replan

[Dirk Hohndel]

On Mon, Nov 03, 2014 at 11:29:09PM +0100, Robert Helling wrote:
> 
> On 03 Nov 2014, at 23:19, Dirk Hohndel <dirk at hohndel.org> wrote:
> 
> Dirk,
> 
> > I don't like this patch as it removes a feature. We have seen a few dive
> > computers that store a maximum dive depth in the dive header, but when you
> > go through the samples, none of the samples are that deep.
> 
> fair enough. Then it’s probably better done like this.

Yep, that I like.

> PS: I don’t know why apple mail attaches patches as octet-stream.

It's more magical that way :-)

/D