[Buildbot] #2878: Windows escaping seem to produce problems

[Buildbot trac]

#2878: Windows escaping seem to produce problems
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Reporter:  sa2ajj   |       Owner:
    Type:  defect   |      Status:  new
Priority:  major    |   Milestone:  0.9.0
 Version:  0.8.9    |  Resolution:
Keywords:  windows  |
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Comment (by caktux):

 otterdam's solution works here(tm), seems "cmd", "/c" should be added to
 vstudio.py

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Ticket URL: <http://trac.buildbot.net/ticket/2878#comment:5>
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