Description of problem:

The Fedora package of ghc-Cabal isn't visible to Haskell once installed.

Version-Release number of selected component (if applicable):

ghc-Cabal-1.14.0-11.fc19.x86_64

Steps to Reproduce:
1. yum install ghc-Cabal
2. ghc-pkg list

Actual results:

Cabal does not appear in the output of `ghc-pkg list`:

```
[shivaram@good-fortune ~]$ rpm -q ghc-Cabal
ghc-Cabal-1.14.0-11.fc19.x86_64
[shivaram@good-fortune ~]$ ghc-pkg list
/usr/lib64/ghc-7.4.2/package.conf.d
   X11-1.6.0.2
   X11-xft-0.3.1
   array-0.4.0.0
   base-4.5.1.0
   bytestring-0.9.2.1
   containers-0.4.2.1
   deepseq-1.3.0.0
   directory-1.1.0.2
   extensible-exceptions-0.1.1.4
   filepath-1.3.0.0
   ghc-prim-0.2.0.0
   integer-gmp-0.4.0.0
   mtl-2.1.2
   old-locale-1.0.0.4
   old-time-1.1.0.0
   process-1.1.0.1
   random-1.0.1.1
   rts-1.0
   time-1.4
   transformers-0.3.0.0
   unix-2.5.1.1
   utf8-string-0.3.7
   xmonad-0.11
   xmonad-contrib-0.11

```

Expected results:

Cabal should appear in the output.

Additional info:

No entry was created for Cabal in /usr/lib64/ghc-7.4.2/package.conf.d.