message: Capture by value
diff: @@ -144,7 +144,7 @@ pixel_format map_gl_format(unsigned format, unsigned type, unsigned size)
  auto pf = std::find_if(
  gl_formats.begin(),
  gl_formats.end(),
  - [&](std::pair<format_key, pixel_format> const& value) -> bool
  + [key](std::pair<format_key, pixel_format> const& value) -> bool
  {
  auto val = value.first;
  return val.format == key.format && val.type == key.type && val.size == key.size;
  