message: Added anonymous namespace to perf_contours
diff: // of this distribution and at http://opencv.org/license.html.
  #include "perf_precomp.hpp"
  -namespace opencv_test {
  +namespace opencv_test { namespace {
  CV_ENUM(RetrMode, RETR_EXTERNAL, RETR_LIST, RETR_CCOMP, RETR_TREE)
  CV_ENUM(ApproxMode, CHAIN_APPROX_NONE, CHAIN_APPROX_SIMPLE, CHAIN_APPROX_TC89_L1, CHAIN_APPROX_TC89_KCOS)
  @@ -84,4 +84,4 @@ PERF_TEST_P(TestFindContoursFF, findContours,
  SANITY_CHECK_NOTHING();
  }
  -} // namespace
  +} } // namespace
  