[GHC] #13980: Broken ghc-flag links in the users guide

[GHC]

#13980: Broken ghc-flag links in the users guide
-------------------------------------+-------------------------------------
        Reporter:  patrickdoc        |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Documentation     |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Documentation     |  Unknown/Multiple
  bug                                |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3778
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by bgamari):

 You will likely want to rebase on top of `master` as I did a pass over the
 users guide as well (see .2dff2c7fbb5aa68445e617d691451c0427fad0a5).

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13980#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler