[Patcher] Allow loading patches from non-utf8 paths

src/xenia/config.h

@@ -11,6 +11,10 @@
 #define XENIA_CONFIG_H_
 
 #include <filesystem>
+#include "third_party/cpptoml/include/cpptoml.h"
+
+std::shared_ptr<cpptoml::table> ParseFile(
+    const std::filesystem::path& filename);
 
 namespace config {
 void SetupConfig(const std::filesystem::path& config_folder);