[Bug 47763] Update build guide for Fedora 30

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47763

Rosanne DiMesio  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
     Ever confirmed|0                           |1
         Resolution|INVALID                     |---

--- Comment #2 from Rosanne DiMesio  ---
Not invalid; that page does need updating.

(In reply to Ken Sharp from comment #1)
> > (2) I have no editing rights at WineHQ Wiki.
>
> Create an account. It is a Wiki.

Guess you've been gone for awhile. Merely creating a wiki account no longer
gives editing rights. They have to be requested.