[GHC] #1407: Add the ability to :set -l{foo} in .ghci files

[GHC]

#1407: Add the ability to :set -l{foo} in .ghci files
-------------------------------------+-------------------------------------
        Reporter:  guest             |                Owner:  archblob
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  7.10.3
       Component:  GHCi              |              Version:  6.6.1
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D194
                                     |  Phab:D1310
-------------------------------------+-------------------------------------
Changes (by Phyx-):

 * status:  new => patch
 * differential:  Phab:D194 => Phab:D194 Phab:D1310


Comment:

 Hi archblob, This should be covered under Phab:D1310 that I submitted to
 correct another issue. See test 'ghci_short_name'.

 Let me know if this is sufficient for this.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1407#comment:26>
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