Merge pull request #970 from asmorkalov:dshow_valid_check_fix
authorRoman Donchenko <roman.donchenko@itseez.com>
Mon, 10 Jun 2013 11:06:14 +0000 (15:06 +0400)
committerOpenCV Buildbot <buildbot@opencv.org>
Mon, 10 Jun 2013 11:06:14 +0000 (15:06 +0400)

Trivial merge