[PATCH] isofs fix: do not skip all .dotfiles

[Yury V. Zaytsev]

On Thu, 2015-10-15 at 18:56 +0200, Denys Vlasenko wrote: 
> There appears to be an easy bug in iso9660 helper:

Hi Denys,

Could you please be so kind as to make a ticket and attach the patches
for both changes there?

Your first patch looks nice and simple, and if you can check when the
second bug occurs, fix and test it, I will make a branch and merge it...

Thanks!

-- 
Sincerely yours,
Yury V. Zaytsev