[Kst] [Kst-plot/kst] a245fb: remove missleading error message

[Peter Kümmel]

  Branch: refs/heads/master
  Home:   https://github.com/Kst-plot/kst
  Commit: a245fba90cad0e0109a9cb25361e8d5ea58d2398
      https://github.com/Kst-plot/kst/commit/a245fba90cad0e0109a9cb25361e8d5ea58d2398
  Author: Peter Kümmel <syntheticpp at gmx.net>
  Date:   2014-01-29 (Wed, 29 Jan 2014)

  Changed paths:
    M src/datasources/ascii/asciisource.cpp

  Log Message:
  -----------
  remove missleading error message