[Kst] [Kst-plot/kst] d8242f: Add missing parenthesis

[Albert Astals Cid]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: d8242f47d5d0c9233df0fe1cba3869c03642edbb
      https://github.com/Kst-plot/kst/commit/d8242f47d5d0c9233df0fe1cba3869c03642edbb
  Author: Albert Astals Cid <aacid at kde.org>
  Date:   2014-01-16 (Thu, 16 Jan 2014)

  Changed paths:
    M src/libkst/datasourcepluginmanager.cpp

  Log Message:
  -----------
  Add missing parenthesis