message: Enable GL_LINE_SMOOTH
diff: @@ -141,12 +141,15 @@ void DashedLineGeometry::render(const Camera& camera)
  cout << d->program.error() << endl;
  }
  + glEnable(GL_LINE_SMOOTH);
  glLineWidth(m_lineWidth);
  // Render the lines using the shader and bound VBO.
  glDrawArrays(GL_LINES, static_cast<GLint>(0),
  static_cast<GLsizei>(m_vertices.size()));
  + glDisable(GL_LINE_SMOOTH);
  +
  d->vbo.release();
  d->program.release();
  