ports/65375: [PATCH] misc/latex-mk: update to 1.2 and SOURCEFORGE_EXTENDED

[Mark Linimon]

> NOTE: How about moving the port in another category, such as print (with
> others latex-* ports) for instance?

There has been some discussion (possibly even an agreement in principle?)
that a 'latex' category is needed.  If so, this one should move over.

But until that decision is made, it's probably best just to leave it
where it is.