libcamera: global_configuration: Add missing include and comment

global_configuration.h uses std::initializer_list, include the
corresponding header. Add a comment in global_configuration.cpp to close
an anonymous namespace, as mandated by the coding style.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>

include/libcamera/internal/global_configuration.h

@@ -8,6 +8,7 @@
 #pragma once
 
 #include <filesystem>
+#include <initializer_list>
 #include <optional>
 #include <string>
 #include <string_view>

src/libcamera/global_configuration.cpp

@@ -24,11 +24,13 @@
 namespace libcamera {
 
 namespace {
+
 const std::vector<std::filesystem::path> globalConfigurationFiles = {
 	std::filesystem::path(LIBCAMERA_SYSCONF_DIR) / "configuration.yaml",
 	std::filesystem::path(LIBCAMERA_DATA_DIR) / "configuration.yaml",
 };
-}
+
+} /* namespace */
 
 LOG_DEFINE_CATEGORY(Configuration)