[mkgmap-dev] display tool : NetCheck

Mon Jan 19 14:12:27 GMT 2015

Hi Gerd

> with r440 you have changed NumberReader. I think you removed
> a check by accident, as the comment still relates to the old code.
> Please check the following patch, without it NetCheck often
> crashes.

I've decided to catch the error for now and making the test what I
think it should be.  Either my understanding of nblocks is wrong or
the number reader fails in some particular case.  I suspect the later.

..Steve