Clang-tidy: modernize-raw-string-literal

Source/mpqapi.cpp

@@ -204,7 +204,7 @@ struct Archive {
 		std::ios::openmode mode = std::ios::in | std::ios::out | std::ios::binary;
 		if (exists) {
 			if (!GetFileSize(name, &size)) {
-				Log("GetFileSize(\"{}\") failed with \"{}\"", name, std::strerror(errno));
+				Log(R"(GetFileSize("{}") failed with "{}")", name, std::strerror(errno));
 				return false;
 			}
 #ifdef _DEBUG

Source/player.cpp

@@ -682,7 +682,7 @@ void LoadPlrGFX(PlayerStruct &player, player_graphic graphic)
 		app_fatal("PLR:2");
 	}
 
-	sprintf(pszName, "PlrGFX\\%s\\%s\\%s%s.CL2", cs, prefix, prefix, szCel);
+	sprintf(pszName, R"(PlrGFX\%s\%s\%s%s.CL2)", cs, prefix, prefix, szCel);
 	auto &animationData = player.AnimationData[static_cast<size_t>(graphic)];
 	SetPlayerGPtrs(pszName, animationData.RawData, animationData.CelSpritesForDirections, animationWidth);
 }