message: Check for correct formats specifications only if formats are specified.
diff: @@ -1491,6 +1491,8 @@ void VulkanHppGenerator::checkEnumCorrectness() const
  }
  // special check for VkFormat
  + if ( !m_formats.empty() )
  + {
  auto enumIt = m_enums.find( "VkFormat" );
  assert( enumIt != m_enums.end() );
  assert( enumIt->second.values.front().name == "VK_FORMAT_UNDEFINED" );
  @@ -1510,6 +1512,7 @@ void VulkanHppGenerator::checkEnumCorrectness() const
  }
  }
  }
  +}
  void VulkanHppGenerator::checkEnumCorrectness( std::vector<RequireData> const & requireData ) const
  {
  