libcamera: yaml_parser: Use std::make_unique<>

The YamlParser::parse() function constructs a std::unique_ptr<> instance
with a manual call to operator new. Replace it with std::make_unique<>.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>

src/libcamera/yaml_parser.cpp

@@ -769,7 +769,7 @@ std::unique_ptr<YamlObject> YamlParser::parse(File &file)
 	if (context.init(file))
 		return nullptr;
 
-	std::unique_ptr<YamlObject> root(new YamlObject());
+	std::unique_ptr<YamlObject> root = std::make_unique<YamlObject>();
 
 	if (context.parseContent(*root)) {
 		LOG(YamlParser, Error)