[NSWI004] Broken test prodcons_double

[Richard Hladík]

Hello,

> I just pushed a fix to prodcons_double test. The mistake I made is really
> stupid so I hope you will have a good laugh about it :-).
> 
> Sorry for causing the trouble with sem_trywait twice. I will keep this in
> mind when evaluating your solutions.

For anyone wondering: if you want to apply just the last commit, but not
the commit introducing Assignment 05 (because it breaks tests), run
something along the lines of:

	git fetch upstream
	git cherry-pick upstream/master

Regards,
Richard Hladík