message: Slightly improve two error messages.
diff: @@ -4543,8 +4543,8 @@ void VulkanHppGenerator::checkCorrectness()
  [&enumValue]( auto const & evd ) { return enumValue == evd.vulkanValue; } ) !=
  enumIt->second.values.end(),
  member.xmlLine,
  - "value <" + enumValue + "> for structure member <" + member.name + "> of enum type <" +
  - member.type.type + "> not listed" );
  + "value <" + enumValue + "> for member <" + member.name + "> in structure <" + structure.first +
  + " of enum type <" + member.type.type + "> not listed" );
  }
  // special handling for sType: no value should appear more than once
  if ( member.name == "sType" )
  @@ -4563,8 +4563,8 @@ void VulkanHppGenerator::checkCorrectness()
  {
  check( value.find_first_not_of( "0123456789" ) == std::string::npos,
  member.xmlLine,
  - "value <" + value + "> for struct member <" + member.name + "> of type <" + member.type.type +
  - "> in structure <" + structure.first + "> is not a number" );
  + "value <" + value + "> for member <" + member.name + "> in structure <" + structure.first +
  + "> of type <" + member.type.type + "> is not a number" );
  }
  }
  else
  