gEDA-dev: gsymcheck: patch to check offgrid pins

[Ales Hvezda]

Hi Werner,

[snip]
>I've added test to check offgrid pins.
>
	Nice.  This will be quite useful.

>If there are no objections, I'd commit it to the master repo.
>

	Looks good to me, go ahead and push away.

	Thanks,

		-Ales