message: Remove 'using namespace std'
diff: @@ -891,9 +891,8 @@ void iblRoughnessPrefilter(const utils::Path& iname,
  }
  if (g_type == OutputType::KTX) {
  - using namespace std;
  if (g_coefficients) {
  - ostringstream sstr;
  + std::ostringstream sstr;
  for (ssize_t l = 0; l < g_sh_compute; l++) {
  for (ssize_t m = -l; m <= l; m++) {
  auto v = g_coefficients[CubemapSH::getShIndex(m, (size_t) l)];
  @@ -902,11 +901,11 @@ void iblRoughnessPrefilter(const utils::Path& iname,
  }
  container.setMetadata("sh", sstr.str().c_str());
  }
  - vector<uint8_t> fileContents(container.getSerializedLength());
  + std::vector<uint8_t> fileContents(container.getSerializedLength());
  container.serialize(fileContents.data(), fileContents.size());
  - string filename = iname.getNameWithoutExtension() + "_ibl.ktx";
  + std::string filename = iname.getNameWithoutExtension() + "_ibl.ktx";
  auto fullpath = outputDir + filename;
  - ofstream outputStream(fullpath.c_str(), ios::out | ios::binary);
  + std::ofstream outputStream(fullpath.c_str(), std::ios::out | std::ios::binary);
  outputStream.write((const char*) fileContents.data(), fileContents.size());
  outputStream.close();
  }
  